CN209981026U - Clamping type contact system and automatic transfer switching device - Google Patents
Clamping type contact system and automatic transfer switching device Download PDFInfo
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- CN209981026U CN209981026U CN201920447601.5U CN201920447601U CN209981026U CN 209981026 U CN209981026 U CN 209981026U CN 201920447601 U CN201920447601 U CN 201920447601U CN 209981026 U CN209981026 U CN 209981026U
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Abstract
The utility model provides a clamp type contact system, it includes the main shaft and installs the moving contact on the main shaft, be equipped with a plurality of static contacts with moving contact both ends complex respectively around the main shaft, the static contact includes the splint of two parallel arrangement in the moving contact both sides, and connect the wiring board between two splint, form the slot with moving contact tip complex between two splint, the main shaft can drive the moving contact and rotate, make the slot on two static contacts overlap respectively at the both ends of moving contact, the both ends of moving contact are pressed from both sides tightly through two splint of two static contacts, not only have the contact reliable, simple structure and characteristics with low costs, and two splint can also play the effect of cleaning each other with the both sides of moving 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 clamp type contact system and automatic transfer 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 a PC three-section type automatic transfer switching device (namely, a common position, a standby position and a double-division power-off position), a two-layer double-cavity structure is mostly adopted, namely, a common power supply contact system and a standby power supply contact system are positioned in two independent structures, namely, the common power supply contact system is arranged in one cavity, the standby power supply contact system is arranged in the other cavity, and the wire outlet ends of the 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 has the conditions of larger volume and relatively complex structure.
With the continuous development of the PC-level automatic transfer switching apparatus, in order to reduce the cost, the automatic transfer switching apparatus in the market appears to be a product using a single cavity, that is, the common power supply contact and the standby power supply contact are located in the same cavity. The moving contact of the double-power automatic transfer switch with a single cavity adopts a structure with two contact pieces and is plugged with a single-chip static contact, the moving contact of the structure is of a structure with two clamping pieces and can shake inevitably, and the contact synchronism of the double-pole double-power automatic transfer switch is not good inevitably when the double-power automatic transfer switch is plugged.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a compact form contact system simple structure, that the reliability is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a clamp type contact system, it includes the main shaft and installs the moving contact on the main shaft, be equipped with a plurality of static contacts with moving contact both ends complex respectively around the main shaft, the static contact includes two parallel arrangement at the splint of moving contact both sides to and connect the wiring board between two splint, form the slot with moving contact tip complex between two splint, the main shaft can drive the moving contact and rotate, make the slot on two static contacts overlap respectively at the both ends of moving contact, press from both sides the both ends of tight moving contact from both sides through two splint of two static contacts.
Preferably, the moving contact is in a zigzag shape, the moving contact comprises a first contact plate and a second contact plate, one end of the first contact plate and one end of the second contact plate extend to two sides of the main shaft respectively, and a movable connecting plate connected between the other ends of the first contact plate and the second contact plate, the first contact plate and the second contact plate are arranged in an inclined mode, a main shaft hole connected with the main shaft is formed in the movable connecting plate, and the center of the main shaft hole and the axis of the main shaft are arranged concentrically.
Preferably, the clamping plate comprises a contact part arranged at one end and matched with the side face of the moving contact, and a connecting part arranged at the other end and matched with the side face of the wiring plate, a first connecting hole is formed in the wiring plate, second connecting holes corresponding to the first connecting holes are respectively formed in the connecting parts of the clamping plates at the two sides of the wiring plate, and rivets penetrating through the first connecting holes and the two connecting holes are arranged on the outer side of the clamping plate.
Preferably, the number of the static contacts is three, the three static contacts are respectively a first power source static contact, a second power source static contact and a load static contact, two ends of the dynamic contact are respectively a first contact plate and a second contact plate, the first contact plate extends between the first power source static contact and the load static contact, the second contact plate extends between the second power source static contact and the load static contact, the second contact plate is in contact with the load static contact when the first contact plate is in contact with the first power source static contact, and the second contact plate is in contact with the second power source static contact when the first contact plate is in contact with the load static contact.
Preferably, the first power source static contact and the second power source static contact are obliquely arranged, and an included angle α 3 between the first power source static contact and the second power source static contact is between 90 degrees and 180 degrees.
Preferably, the moving contact comprises a moving connecting plate connected between a first contact plate and a second contact plate, the first contact plate and the second contact plate are arranged in an inclined mode, an extension line of the first contact plate penetrates through the axis of the main shaft, the second contact plate is arranged on one side of the main shaft, two ends of the moving connecting plate are connected between the first contact plate and the second contact plate, a main shaft hole connected with the main shaft is formed in one end, connected with the first contact plate, of the moving connecting plate, and the center of the main shaft hole and the axis of the main shaft are arranged concentrically.
Preferably, the clamp plate of the second power source static contact and the clamp plate of the load static contact are arranged in an inclined manner, and an included angle between the clamp plate of the second power source static contact and the clamp plate of the load static contact is equal to an included angle between the first contact plate and the second contact plate.
Preferably, the clamp plate of the first power source static contact and the clamp plate of the load static contact are arranged in an inclined manner, an included angle between the clamp plate of the first power source static contact and the clamp plate of the load static contact is smaller than an included angle, one end of the movable connecting plate is connected with the first contact plate, the other end of the movable connecting plate extends towards one side far away from the first power source static contact and is connected with the second contact plate, and when the first contact plate is in contact with the first power source static contact, the second contact plate is inclined towards the outer side to be in contact with the load static contact.
Preferably, the load static contact comprises a load wiring board and a load connecting board which are connected, the side edge of the load connecting board is provided with the wiring board which is bent towards one side of the spindle, two sides of the wiring board are respectively connected with two symmetrically-arranged clamping plates, the wiring board is provided with a first connecting hole, the two clamping plates are respectively provided with a second connecting hole corresponding to the first connecting hole, and the outer sides of the clamping plates are provided with rivets which penetrate through the first connecting hole and the two connecting holes; the first power static contact and the second power static contact respectively comprise a first power supply wiring board and a second power supply wiring board, one ends of the first power supply wiring board and the second power supply wiring board, which are close to the spindle, are respectively connected with a first power supply connecting board and a second power supply connecting board which are obliquely arranged, the side edges of the first power supply connecting board and the second power supply connecting board, which are connected with each other, are respectively provided with a wiring board which is bent towards one side of the spindle, and the two sides of the wiring board are respectively connected with two clamping plates which are symmetrically arranged.
Preferably, two sides of the moving contact are respectively provided with a contact support, the two contact supports are sleeved on the periphery of the main shaft, and the moving contact is clamped between the two contact supports.
The utility model discloses a clamp type contact system adopts single cavity structure, a moving contact and two static contact cooperations, the static contact tip be equipped with moving contact complex slot, the slot 32 through two static contacts on overlaps respectively at moving contact 2's both ends, two splint 31 through two static contacts press from both sides the both ends of tight moving contact 2 from both sides, splint 31 not only have length weak point, the contact is reliable, simple structure and characteristics with low costs, two splint 31 can also play mutual clear effect with moving contact 2's both sides moreover. In addition, the clamping plate 31 is fixed on the static contact, the clamping plate 31 which is longer than the static contact does not need to be arranged on the movable contact 2, the space for installing the clamping plate 31 does not need to be reserved on the main shaft 1, and the clamping device has the characteristics of firm structure and small shaking allowance.
In addition, through the movable connecting plate 23 connected between the other end of the first contact plate 21 and the other end of the second contact plate 22, not only the first contact plate 21 and the second contact plate 22 are obliquely arranged, and the movable contact plate has the characteristics of small size and small rotating space, but also the spindle hole 24 on the movable connecting plate 23 is arranged on the axis of the spindle 1 as the rotating center of the movable contact 2, the movable contact 2 is not required to be arranged on one side of the spindle 1, the main spindle 1 has better synchronism when driving the movable contact 2 to rotate, and the movable contact 2 cannot be shaken.
In addition, the first contact plate 21 and the second contact plate 22 can be inserted into the slot 32 on the load static contact 43 from both sides, and can be contacted with the clamp plate 31 on the load static contact 43 through different included angles, so that only one load static contact 43 is arranged, switching between power supplies on both sides can be realized, and two load static contacts do not need to be arranged opposite to the first power static contact 41 and the second power static contact 42, so that the size of a contact system can be effectively reduced, the structure is simplified, and the production cost is reduced.
The utility model also provides an automatic change-over switch electrical apparatus, including control mechanism, drive mechanism and a plurality of clamp-type contact system, clamp-type contact system includes first power static contact and the second power static contact of being connected with side power supply commonly used and reserve side power respectively, and the load static contact of being connected with the load, a plurality of clamp-type contact system set up side by side, a plurality of clamp-type contact system's moving contact passes through the main shaft and is connected with control mechanism, control mechanism can drive the main shaft and drive the moving contact rotation, the moving contact can switch on first power static contact and load static contact and make the side power supply commonly used supply the load power supply, or switch on second power static contact and load static contact and make the reserve side power supply the load power supply, stop supplying the load power when the moving contact does not contact with first power static contact and second power static contact, it is safe and reliable, The contact has the characteristics of strong separating capacity and small volume.
Drawings
FIG. 1 is a schematic diagram of a clamp-on contact system according to an embodiment of the present invention;
FIG. 2 illustrates a typical power on position of a clamp-on contact system according to an embodiment of the present invention;
fig. 3 illustrates a standby power on position of a clamp-on contact system according to an embodiment of the present invention;
fig. 4 is a schematic view of the embodiment of the present invention after the hidden contact is supported in fig. 3;
fig. 5 is an exploded view of a load static contact according to an embodiment of the present invention.
Detailed Description
The embodiments of the clamping contact system according to the present invention will be further described with reference to the embodiments shown in fig. 1 to 5. The clamping contact system of the present invention is not limited to the description of the following embodiments.
The automatic transfer switching device of the embodiment of the utility model comprises a control mechanism, a transmission mechanism and a plurality of clamping contact systems arranged side by side, wherein the clamping contact systems comprise a first power static contact 41 and a second power static contact 42 which are respectively connected with a common side power supply and a standby side power supply, and a load static contact 43 connected with the load, the moving contacts 2 of the plurality of clamping type contact systems are connected with a control mechanism through the main shaft 1, the control mechanism can drive the main shaft 1 to drive the moving contacts 2 to rotate, the moving contacts 2 can conduct the first power supply static contact 41 and the load static contact 43 to enable a power supply at a common side to supply power to the load (a common power supply switching-on position), or the second power source static contact 42 and the load static contact 43 are conducted to make the standby side power source supply power to the load (standby power source switching-on position), the supply of power to the load is stopped when the movable contact 2 is not in contact with the first and second stationary power supply contacts 41 and 42 (double split position).
As shown in fig. 1-3, the utility model discloses a clamp type contact system includes, main shaft 1 and the moving contact 2 of installing on main shaft 1, be equipped with a plurality ofly respectively all around main shaft 1 with the 2 both ends complex static contacts of moving contact, the static contact includes the splint 31 of two parallel arrangement in the 2 both sides of moving contact, and connect the wiring board 33 between two splint 31, form between two splint 31 with 2 tip complex slots 32 of moving contact, main shaft 1 can drive moving contact 2 and rotate, make the slots 32 on two static contacts overlap respectively at the both ends of moving contact 2, two splint 31 through two static contacts press from both sides tight both ends of moving contact 2.
The utility model discloses a clamp type contact system adopts single cavity structure, a moving contact and two static contact cooperations, the static contact tip be equipped with moving contact complex slot, the slot 32 through two static contacts on overlaps respectively at moving contact 2's both ends, two splint 31 through two static contacts press from both sides the both ends of tight moving contact 2 from both sides, splint 31 not only have length weak point, the contact is reliable, simple structure and characteristics with low costs, two splint 31 can also play mutual clear effect with moving contact 2's both sides moreover. In addition, the clamping plate 31 is fixed on the static contact, the clamping plate 31 which is longer than the static contact does not need to be arranged on the movable contact 2, the space for installing the clamping plate 31 does not need to be reserved on the main shaft 1, and the clamping device has the characteristics of firm structure and small shaking allowance.
As shown in fig. 4, the movable contact 2 is zigzag, the movable contact 2 includes a first contact plate 21 and a second contact plate 22, one ends of which respectively extend to two sides of the main shaft 1, and a movable connection plate 23 connected between the other ends of the first contact plate 21 and the second contact plate 22, the first contact plate 21 and the second contact plate 22 are obliquely arranged, a main shaft hole 24 connected with the main shaft 1 is arranged on the movable connection plate 23, and the center of the main shaft hole 24 is concentrically arranged with the axis of the main shaft 1. Through the movable connecting plate 23 of connecting between the other end of first contact board 21 and second contact board 22, not only make first contact board 21 and second contact board 22 slope setting, have characteristics small and that the rotation space is little, main shaft hole 24 on the movable connecting plate 23 sets up on the axis of main shaft 1 as the rotation center of moving contact 2 in addition, need not set up moving contact 2 in one side of main shaft 1, the synchronism is better when main shaft 1 drives moving contact 2 and rotates, can not make moving contact 2 appear rocking.
As shown in fig. 5, the clamping plate 31 includes a contact portion 311 disposed at one end to be engaged with a side surface of the movable contact 2, and a connecting portion 312 disposed at the other end to be engaged with a side surface of the terminal plate 33, a first connecting hole 333 is disposed on the terminal plate 33, second connecting holes 313 corresponding to the first connecting holes 333 are respectively disposed on the connecting portions 312 of the clamping plate 31 on both sides of the terminal plate 33, rivets 314 passing through the first connecting holes 333 and the two connecting holes 313 are disposed on an outer side of the clamping plate 31, the rivets 314 pass through the second connecting holes 313 on the clamping plate 31 on one side, and then pass through the first connecting holes 333 on the terminal plate 33 to extend into the second connecting holes 313 on the clamping plate 31 on the other side, so that the connecting portions 312. The two clamping plates 31 are riveted on both sides of the wiring board 33 by the rivets 314, and have the characteristics of simple assembly and low cost.
As shown in fig. 2, in the specific embodiment, the number of the fixed contacts is three, the three fixed contacts are a first power source fixed contact 41, a second power source fixed contact 42 and a load fixed contact 43, the two ends of the movable contact 2 are a first contact plate 21 and a second contact plate 22, respectively, the first contact plate 21 extends between the first power source fixed contact 41 and the load fixed contact 43, the second contact plate 22 extends between the second power source fixed contact 42 and the load fixed contact 43, when the first contact plate 21 contacts the first power source fixed contact 41, the second contact plate 22 contacts the load fixed contact 43 (fig. 2), a path is formed between the first power source fixed contact 41 and the load fixed contact 43 to conduct the power source on the side to which the first power source fixed contact 1 is connected, when the first contact plate 21 contacts the load fixed contact 43, the second contact plate 22 contacts the second power source fixed contact 42 (fig. 3), and a path is formed between the second power source fixed contact 42 and the load fixed contact 43 to A power supply on one side.
In this embodiment, the first contact plate 21 and the second contact plate 22 may be inserted into the slot 32 on the load static contact 43 from two sides respectively, and may contact with the clamp plate 31 on the load static contact 43 through different included angles, so that only one load static contact 43 is provided, switching between power supplies on two sides can be achieved, and it is not necessary to provide two load static contacts to be respectively arranged opposite to the first power static contact 41 and the second power static contact 42, which can effectively reduce the size of the contact system, simplify the structure, and reduce the production cost. Of course, two load static contacts may also be provided, and the two load static contacts are respectively disposed opposite to the first power static contact 41 and the second power static contact 42, which all belong to the protection scope of the present invention.
Further, the movable contact 2 includes a movable connection plate 23 connected between the first contact plate 21 and the second contact plate 22, the first contact plate 21 and the second contact plate 22 are disposed in an inclined manner, an extension line of the first contact plate 21 passes through an axis of the main shaft 1, the second contact plate 22 is disposed on one side of the main shaft 1, two ends of the movable connection plate 23 are connected between the first contact plate 21 and the second contact plate 22, a main shaft hole 24 connected with the main shaft 1 is disposed at one end of the movable connection plate 23 connected with the first contact plate 21, and a center of the main shaft hole 24 is disposed concentrically with the axis of the main shaft 1.
As shown in fig. 4, the first power static contact 41 and the second power static contact 42 are obliquely arranged, and an included angle α 3 between the first power static contact 41 and the second power static contact 42 is between 90 degrees and 180 degrees. The short circuit risk between the first power static contact 41 and the second power static contact 42 can be reduced by ensuring that an enough electrical gap exists between the first power static contact 41 and the second power static contact 42, especially when a large current is disconnected.
Further, the clamping plate 31 of the second power source static contact 42 and the clamping plate 31 of the load static contact 43 are obliquely arranged, an included angle between the clamping plate 31 of the second power source static contact 42 and the clamping plate 31 of the load static contact 43 is α 1, and α 1 is equal to an included angle between the first contact plate 21 and the second contact plate 22. When the first contact plate 21 and the second contact plate 22 are respectively in contact with the load fixed contact 43 and the second power source fixed contact 42, the first contact plate 21 and the load fixed contact 43, and the second contact plate 22 and the second power source fixed contact 42 are respectively located on the same straight line, so that contact can be performed more fully.
Further, the clamping plate 31 of the first power static contact 41 and the clamping plate 31 of the load static contact 43 are obliquely arranged, an included angle between the clamping plate 31 of the first power static contact 41 and the clamping plate 31 of the load static contact 43 is α 2, α 2 is smaller than α 1, one end of the movable connecting plate 23 is connected with the first contact plate 21, and the other end of the movable connecting plate 23 extends to a side away from the first power static contact 41 and is connected with the second contact plate 22, so that when the first contact plate 21 is contacted with the first power static contact 41, the second contact plate 22 can be obliquely contacted with the load static contact 43 outwards.
As shown in fig. 5, the load stationary contact 43 includes a load connection plate 431 and a load connection plate 432 connected to each other, a connection plate 33 bent toward one side of the spindle 1 is provided at a side of the load connection plate 432, two symmetrically disposed clamp plates 31 are connected to both sides of the connection plate 33, respectively, a first connection hole 333 is provided on the connection plate 33, second connection holes 313 corresponding to the first connection holes 333 are provided on the two clamp plates 31, rivets 314 passing through the first connection holes 333 and the two connection holes 313 are provided on an outer side of the clamp plate 31, and the load connection plate 431 is connected to a connection screw for fixing a wire.
As shown in fig. 4, the first power static contact 41 and the second power static contact 42 respectively include a first power connection board 411 and a second power connection board 421, one ends of the first power connection board 411 and the second power connection board 421 close to the spindle 1 are respectively connected to a first power connection board 412 and a second power connection board 422 which are obliquely arranged, side edges where the first power connection board 412 and the second power connection board 422 are connected are respectively provided with a connection board 33 which is bent towards one side of the spindle 1, and two sides of the connection board 33 are respectively connected to two clamping plates 31 which are symmetrically arranged.
As shown in fig. 1, two sides of the moving contact 2 are respectively provided with a contact support 6, the two contact supports 6 are sleeved around the main shaft 1, and the moving contact 2 is clamped between the two contact supports 6. Of course, the contact support 6 may be a structure integrated with the main shaft 1, and all belong to the protection scope of the present invention.
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 (11)
1. A pinch-in-contact system, comprising: including main shaft (1) and movable contact (2) of installing on main shaft (1), be equipped with at least two respectively with movable contact (2) both ends complex static contact around main shaft (1), the static contact includes splint (31) of two parallel arrangement in movable contact (2) both sides, and connect wiring board (33) between two splint (31), form slot (32) with movable contact (2) tip complex between two splint (31), main shaft (1) can drive movable contact (2) and rotate, make slot (32) on two static contacts overlap respectively at the both ends of movable contact (2), two splint (31) through two static contacts press from both sides the both ends of tight movable contact (2).
2. The clamp-on contact system of claim 1, wherein: the moving contact (2) is Z-shaped, the moving contact (2) comprises a first contact plate (21) and a second contact plate (22) of which one ends extend to two sides of the main shaft (1) respectively, and a movable connecting plate (23) connected between the other ends of the first contact plate (21) and the second contact plate (22), the first contact plate (21) and the second contact plate (22) are obliquely arranged, a main shaft hole (24) connected with the main shaft (1) is formed in the movable connecting plate (23), and the center of the main shaft hole (24) and the axis of the main shaft (1) are concentrically arranged.
3. The clamp-on contact system of claim 1, wherein: splint (31) are including setting up contact site (311) in one end and moving contact (2) side complex to and set up at other end and wiring board (33) side complex connecting portion (312), be equipped with first connecting hole (333) on wiring board (33), be equipped with second connecting hole (313) that correspond with first connecting hole (333) on connecting portion (312) of splint (31) of wiring board (33) both sides respectively, be equipped with rivet (314) that pass first connecting hole (333) and two connecting holes (313) in splint (31) outside.
4. The clamp-on contact system of claim 1, wherein: the number of the static contacts is three, the three static contacts are respectively a first power source static contact (41), a second power source static contact (42) and a load static contact (43), two ends of the movable contact (2) are respectively provided with a first contact plate (21) and a second contact plate (22), the first contact plate (21) extends between the first power source static contact (41) and the load static contact (43), the second contact plate (22) extends between the second power source static contact (42) and the load static contact (43), the second contact plate (22) is in contact with the load static contact (43) when the first contact plate (21) is in contact with the first power source static contact (41), and the second contact plate (22) is in contact with the second power source static contact (42) when the first contact plate (21) is in contact with the load static contact (43).
5. The clamp-on contact system of claim 4, wherein: the first power source static contact (41) and the second power source static contact (42) are obliquely arranged, and an included angle alpha 3 between the first power source static contact (41) and the second power source static contact (42) is between 90 degrees and 180 degrees.
6. The clamp-on contact system of claim 4, wherein: the moving contact (2) comprises a moving connecting plate (23) connected between a first contact plate (21) and a second contact plate (22), the first contact plate (21) and the second contact plate (22) are obliquely arranged, an extension line of the first contact plate (21) penetrates through the axis of the main shaft (1), the second contact plate (22) is arranged on one side of the main shaft (1), two ends of the moving connecting plate (23) are connected between the first contact plate (21) and the second contact plate (22), a main shaft hole (24) connected with the main shaft (1) is formed in one end, connected with the first contact plate (21), of the moving connecting plate (23), and the center of the main shaft hole (24) and the axis of the main shaft (1) are concentrically arranged.
7. The clamp-on contact system of claim 6, wherein: the clamping plate (31) of the second power source static contact (42) and the clamping plate (31) of the load static contact (43) are obliquely arranged, an included angle between the clamping plate (31) of the second power source static contact (42) and the clamping plate (31) of the load static contact (43) is alpha 1, and alpha 1 is equal to an included angle between the first contact plate (21) and the second contact plate (22).
8. The clamp-on contact system of claim 7, wherein: the clamping plate (31) of the first power source static contact (41) and the clamping plate (31) of the load static contact (43) are obliquely arranged, an included angle between the clamping plate (31) of the first power source static contact (41) and the clamping plate (31) of the load static contact (43) is alpha 2, alpha 2 is smaller than alpha 1, one end of the movable connecting plate (23) is connected with the first contact plate (21), the other end of the movable connecting plate (23) extends to one side far away from the first power source static contact (41) and is connected with the second contact plate (22), and when the first contact plate (21) is contacted with the first power source static contact (41), the second contact plate (22) is obliquely contacted with the load static contact (43) towards the outer side.
9. The clamp-on contact system of claim 4, wherein: the load static contact (43) comprises a load wiring board (431) and a load connecting board (432) which are connected, a wiring board (33) which is bent towards one side of the spindle (1) is arranged on the side edge of the load connecting board (432), two sides of the wiring board (33) are respectively connected with two symmetrically-arranged clamping plates (31), a first connecting hole (333) is formed in the wiring board (33), second connecting holes (313) which correspond to the first connecting hole (333) are respectively formed in the two clamping plates (31), and rivets (314) which penetrate through the first connecting hole (333) and the two connecting holes (313) are arranged on the outer side of each clamping plate (31); the first power static contact (41) and the second power static contact (42) respectively comprise a first power wiring board (411) and a second power wiring board (421), one ends of the first power wiring board (411) and the second power wiring board (421) close to the spindle (1) are respectively connected with a first power connecting board (412) and a second power connecting board (422) which are obliquely arranged, the side edges of the first power connecting board (412) and the second power connecting board (422) are respectively provided with a wiring board (33) which is bent towards one side of the spindle (1), and two sides of the wiring board (33) are respectively connected with two clamping plates (31) which are symmetrically arranged.
10. The clamp-on contact system of claim 1, wherein: two sides of the moving contact (2) are respectively provided with a contact support (6), the two contact supports (6) are sleeved on the periphery of the main shaft (1), and the moving contact (2) is clamped between the two contact supports (6).
11. An automatic transfer switching apparatus, characterized in that: comprising a control mechanism, a transmission mechanism and a plurality of clamping contact systems according to any one of claims 4 to 10, wherein the clamping contact systems comprise a first power supply static contact (41) and a second power supply static contact (42) which are respectively connected with a common side power supply and a standby side power supply, and a load static contact (43) connected with the load, the plurality of clamping type contact systems are arranged side by side, a moving contact (2) of the plurality of clamping type contact systems is connected with a control mechanism through a main shaft (1), the control mechanism can drive the main shaft (1) to drive the moving contact (2) to rotate, the moving contact (2) can conduct a first power supply static contact (41) and the load static contact (43) to enable a power supply at a common side to supply power to the load, or the second power source static contact (42) and the load static contact (43) are conducted to enable the standby side power source to supply power for the load, and when the movable contact (2) is not in contact with the first power source static contact (41) and the second power source static contact (42), stopping supplying power to the load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447601.5U CN209981026U (en) | 2019-04-02 | 2019-04-02 | Clamping type contact system and automatic transfer switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920447601.5U CN209981026U (en) | 2019-04-02 | 2019-04-02 | Clamping type contact system and automatic transfer switching device |
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| Publication Number | Publication Date |
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| CN209981026U true CN209981026U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920447601.5U Active CN209981026U (en) | 2019-04-02 | 2019-04-02 | Clamping type contact system and automatic transfer switching device |
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| CN (1) | CN209981026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563049A (en) * | 2020-06-08 | 2021-03-26 | 中车青岛四方机车车辆股份有限公司 | Transfer switch and circuit system |
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2019
- 2019-04-02 CN CN201920447601.5U patent/CN209981026U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112563049A (en) * | 2020-06-08 | 2021-03-26 | 中车青岛四方机车车辆股份有限公司 | Transfer switch and circuit system |
| CN112563049B (en) * | 2020-06-08 | 2024-03-22 | 中车青岛四方机车车辆股份有限公司 | Change-over switch and circuit system |
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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 |
Assignee: Wenzhou Zhengtai Electrical Technology Co., Ltd Assignor: Zhejiang Chint Electrics Co.,Ltd. Contract record no.: X2020330000078 Denomination of utility model: Clamping contact system and automatic transfer switching apparatus Granted publication date: 20200121 License type: Common License Record date: 20201021 |
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| EE01 | Entry into force of recordation of patent licensing contract |