Outgoing line structure for vacuum alternating current contactor

Abstract

The utility model relates to a wire outlet structure for a vacuum AC contactor, which comprises three phases of vacuum arc extinguishing mechanisms, each phase of vacuum arc extinguishing mechanism comprises an insulating cylinder and a vacuum bubble, the insulating cylinder comprises a left half cylinder and a right half cylinder, and the two sides of the left half cylinder and the right half cylinder are respectively provided with an upper wire outlet and a lower wire outlet; a static feeler lever of the vacuum bubble is connected with an upper connector bar, a movable feeler lever of the vacuum bubble is connected with a lower connector bar, the upper connector bar is suitable for extending out of the front upper wire outlet hole or the rear upper wire outlet hole, and the lower connector bar is suitable for extending out of the front lower wire outlet hole or the rear lower wire outlet hole. The upper line bank and the lower line bank can select a specific line outgoing mode according to the installation position of each phase of vacuum arc extinguishing mechanism in the cabinet body, the design limitation of the line outgoing mode on the cabinet body is reduced, and the matching degree with the existing cabinet body design scheme is high.

Description

Technical Field

[0001] The utility model relates to the field of contactors, in particular to an outlet line structure for a vacuum AC contactor. Background Art

[0002] The vacuum contactor includes an operating mechanism and a three-phase vacuum arc extinguishing mechanism. Each vacuum arc extinguishing mechanism includes a shell, a vacuum bubble and an insulating pull rod. The insulating pull rod is connected to the moving rod of the vacuum bubble. The vacuum bubble is installed in the shell. Two terminal blocks of the vacuum bubble extend from the shell. The two terminal blocks are an upper terminal block and a lower terminal block. The upper terminal block is connected to the static rod of the vacuum bubble, and the lower terminal block is connected to the moving rod of the vacuum bubble. The moving rod is connected to the transmission shaft of the operating mechanism.

[0003] The problem with the current AC vacuum contactor is that the wiring method of the upper terminal block and the lower terminal block connected to the vacuum bubble is relatively simple, and there is only one way of wiring, that is, the upper terminal block and the lower terminal block are both extended from the same side of the shell, and the upper terminal block and the lower terminal block are then connected to the input and output busbars in the cabinet. Since the lead-out terminal block will take up more space, the installation position of the contactor in the cabinet will also be limited. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, provide an outlet structure for a vacuum AC contactor, and solve the technical problem that the conventional contactor outlet structure is too simple, resulting in limitations in the design of the cabinet.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] Provided is a line-out structure for a vacuum AC contactor, comprising a three-phase vacuum arc extinguishing mechanism, wherein each phase vacuum arc extinguishing mechanism comprises an insulating tube and a vacuum bubble, wherein the insulating tube comprises

[0007] A left half cylinder and a right half cylinder, wherein both sides of the left half cylinder and the right half cylinder are provided with an upper wire outlet and a lower wire outlet;

[0008] The left half cylinder and the right half cylinder are connected by bolts to form a cylindrical cylinder body, so that the cylinder body forms a front upper wire outlet hole, a front lower wire outlet hole, a rear upper wire outlet hole and a rear lower wire outlet hole at the front and rear positions;

[0009] The static contact rod of the vacuum bubble is connected to the upper wiring bank, and the dynamic contact rod of the vacuum bubble is connected to the lower wiring bank. The upper wiring bank is suitable for extending from the front upper wiring hole or the rear upper wiring hole, and the lower wiring bank is suitable for extending from the front lower wiring hole or the rear lower wiring hole.

[0010] Furthermore, in the first phase vacuum arc extinguishing mechanism, the upper wiring bar extends from the rear upper wire outlet hole of the first phase insulation barrel, and the lower wiring bar extends from the front lower wire outlet hole of the first phase insulation barrel;

[0011] In the second phase vacuum arc extinguishing mechanism, the upper wiring bar extends from the rear upper wire outlet hole of the second phase insulation barrel, and the lower wiring bar extends from the front lower wire outlet hole of the second phase insulation barrel;

[0012] In the third-phase vacuum arc extinguishing mechanism, the upper wiring row extends out from the rear upper wiring hole of the third-phase insulation cylinder, and the lower wiring row extends out from the front lower wiring hole of the third-phase insulation cylinder.

[0013] Furthermore, in the first phase vacuum arc extinguishing mechanism, the upper wiring bar extends from the front upper wiring hole of the first phase insulation barrel, and the lower wiring bar extends from the rear lower wiring hole of the first phase insulation barrel;

[0014] In the second phase vacuum arc extinguishing mechanism, the upper wiring bar extends from the front upper wire outlet hole of the second phase insulation barrel, and the lower wiring bar extends from the rear lower wire outlet hole of the second phase insulation barrel;

[0015] In the third-phase vacuum arc extinguishing mechanism, the upper wiring row extends out from the front upper wiring hole of the third-phase insulation cylinder, and the lower wiring row extends out from the rear lower wiring hole of the third-phase insulation cylinder.

[0016] Furthermore, in the first phase vacuum arc extinguishing mechanism, the upper wiring bar extends from the rear upper wire outlet hole of the first phase insulation barrel, and the lower wiring bar extends from the front lower wire outlet hole of the first phase insulation barrel;

[0017] In the second phase vacuum arc extinguishing mechanism, the upper wiring bar extends from the front upper wire outlet hole of the second phase insulation barrel, and the lower wiring bar extends from the rear lower wire outlet hole of the second phase insulation barrel;

[0018] In the third-phase vacuum arc extinguishing mechanism, the upper wiring row extends out from the rear upper wiring hole of the third-phase insulation cylinder, and the lower wiring row extends out from the front lower wiring hole of the third-phase insulation cylinder.

[0019] Furthermore, the connection structure between the upper wiring bar and the moving contact rod includes a hanging plate and a plurality of hanging bolts, and the upper wiring bar is a metal copper bar;

[0020] The hanging plate is placed on the top plate of the cylinder, the upper wiring bar extends to the bottom of the top plate, and each hanging bolt passes through the top plate and the upper wiring bar in sequence and is connected to the moving contact rod to fix the moving contact rod, the upper wiring bar and the top plate together.

[0021] Furthermore, the connection structure between the lower terminal block and the moving contact rod includes a flexible connection and a plurality of locking bolts.

[0022] The lower wiring bar is a copper bar;

[0023] The inner side of the flexible connection is connected to the moving contact rod, and the outer side of the flexible connection is connected to the lower wiring bar. Each locking bolt passes through the flexible connection and the lower wiring bar and is connected to the cylinder to fix the lower wiring bar at the outlet.

[0024] Furthermore, the left half cylinder and the right half cylinder have the same structure.

[0025] The beneficial effects of the utility model are:

[0026] The utility model discloses an outlet structure for a vacuum AC contactor, in which an upper terminal block and a lower terminal block in a vacuum arc extinguishing mechanism of each phase can be respectively selected to extend from the front side or the rear side of an insulating tube, and a specific outlet mode can be selected for the upper terminal block and the lower terminal block according to the installation position of the vacuum arc extinguishing mechanism of each phase in the cabinet, thereby reducing the design limitation of the outlet mode on the cabinet and having a high degree of matching with the existing cabinet design scheme. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The utility model is further described below in conjunction with the accompanying drawings.

[0028] Figure 1 It is a schematic diagram of a single insulating cylinder;

[0029] Figure 2 It is a half-cylinder schematic diagram;

[0030] Figure 3 It is a connection structure diagram between the upper wiring bar and the lower wiring bar and the cylinder respectively;

[0031] Figure 4 It is the first outlet structure for vacuum AC contactor of the utility model;

[0032] Figure 5 This is the second type of outlet wire structure for vacuum AC contactor of the utility model.

[0033] Among them, 1, operating mechanism, 2, insulating cylinder, 21, half cylinder, 211, upper wire outlet, 212, lower wire outlet;

[0034] 3. Upper terminal block, 4. Lower terminal block, 41. Soft connection;

[0035] 51. Lifting plate, 52. Lifting bolts, 53. Locking bolts;

[0036] 61, upper outlet hole, 62, lower outlet hole;

[0037] 7. Vacuum bubble, 71. Static contact rod, 72. Moving contact rod.

[0038] 81. First phase vacuum arc extinguishing mechanism, 82. Second phase vacuum arc extinguishing mechanism, 83. Third phase vacuum arc extinguishing mechanism. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] The present application provides an outlet structure for a vacuum AC contactor, which is described in detail below. It should be noted that the description order of the following embodiments does not limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant description of other embodiments.

[0041] In order to solve the technical problem that the contactor outlet structure in the prior art is too simple, resulting in limitations in the design of the cabinet, an embodiment of the present application provides an outlet structure for a vacuum AC contactor, which is described in detail below.

[0042] like Figure 1 Figure 2 As shown, the insulating cylinder 2 includes two half cylinders 21, namely a left half cylinder and a right half cylinder, and both sides of the left half cylinder and the right half cylinder are provided with an upper wire outlet 211 and a lower wire outlet 212;

[0043] The left half cylinder and the right half cylinder are connected by bolts to form a cylindrical cylinder body, and the left and right wire outlets form a wire outlet hole. Therefore, the cylinder body forms four wire outlet holes at the front and rear positions, two upper wire outlet holes 61 and two lower wire outlet holes 62. According to the front and rear positions and the upper and lower positions, the four wire outlet holes are defined as: the front upper wire outlet hole, the front lower wire outlet hole, the rear upper wire outlet hole and the rear lower wire outlet hole.

[0044] The stationary contact rod 71 of the vacuum bubble 7 is connected to the upper wiring row 3, and the moving contact rod 72 of the vacuum bubble 7 is connected to the lower wiring row 4. The upper wiring row 3 is suitable for extending from the front upper wiring hole or the rear upper wiring hole, and the lower wiring row 4 is suitable for extending from the front lower wiring hole or the rear lower wiring hole.

[0045] The left half cylinder and the right half cylinder are connected by multiple bolts.

[0046] like Figure 3 As shown, specifically, as an optional implementation in this embodiment, the connection structure between the upper wiring bar 3 and the moving contact rod 72 is: including a hanging plate 51 and a plurality of hanging bolts 52, and the upper wiring bar 3 is a metal copper bar;

[0047] The hanging plate 51 is placed on the top plate of the cylinder, and the upper wiring bar 3 extends to the bottom of the top plate. Each hanging bolt 52 passes through the top plate and the upper wiring bar 3 in sequence and is connected to the moving contact rod 72 to fix the moving contact rod 72, the upper wiring bar 3 and the top plate together.

[0048] The upper wiring bar 3 can be quickly fixedly installed in the cylinder through the connection structure. The upper wiring bar 3 is quick and convenient to install, and the installation structure is stable and reliable.

[0049] like Figure 3 As shown, specifically, as an optional implementation in this embodiment, the connection structure between the lower wiring bar 4 and the moving contact rod 72 is: including a soft connection 41 and a plurality of locking bolts 53, and the lower wiring bar 4 is a copper bar;

[0050] The inner side of the flexible connection 41 is connected to the moving contact rod 72, and the outer side of the flexible connection 41 is connected to the lower wiring bar 4. Each locking bolt 53 passes through the flexible connection 41 and the lower wiring bar 4 and is connected to the cylinder to fix the lower wiring bar 4 at the outlet.

[0051] The lower wiring bar 4 can be quickly fixedly installed in the cylinder through the connection structure. The lower wiring bar 4 is quick and convenient to install, and the installation structure is stable and reliable.

[0052] The above-mentioned insulating cylinder 2 has upper and lower outlet holes on both the front and rear sides, so there are four outlet modes for the upper wiring bar 3 and the lower wiring bar 4 on a single insulating cylinder 2;

[0053] The first type: the upper terminal block 3 and the lower terminal block 4 are both connected from the front side of the cylinder, that is, from the front upper outlet hole and the front lower outlet hole;

[0054] The second type: the upper terminal block 3 and the lower terminal block 4 are both connected from the rear side of the cylinder, that is, from the rear upper outlet hole and the rear lower outlet hole;

[0055] The third type: the upper terminal block 3 leads out from the front upper terminal hole, and the lower terminal block 4 leads out from the rear lower terminal hole;

[0056] In the fourth type, the upper wiring row 3 leads out from the rear upper wiring hole, and the lower wiring row 4 leads out from the front lower wiring hole.

[0057] Based on the above-mentioned insulating tube 2, the utility model provides an outlet structure for a vacuum AC contactor, including a three-phase vacuum arc extinguishing mechanism and an operating mechanism 1. Each phase vacuum arc extinguishing mechanism includes an insulating tube 2 and a vacuum bubble 7. The insulating tube 2 adopts the above-mentioned insulating tube 2.

[0058] Since there are the above four types of outgoing line modes for a single-phase vacuum arc extinguishing mechanism, there are theoretically twelve types of outgoing line structures for a three-phase vacuum arc extinguishing mechanism of a vacuum AC contactor. Several embodiments of outgoing line structures for vacuum AC contactors are listed below.

[0059] The first embodiment of the outlet structure for vacuum AC contactor:

[0060] In the first phase vacuum arc extinguishing mechanism 81, the upper wiring bar 3 extends from the upper rear outlet hole of the first phase insulation cylinder, and the lower wiring bar 4 extends from the lower front outlet hole of the first phase insulation cylinder;

[0061] In the second phase vacuum arc extinguishing mechanism 82, the upper wiring bar 3 extends out from the rear upper wire outlet hole of the second phase insulation cylinder, and the lower wiring bar 4 extends out from the front lower wire outlet hole of the second phase insulation cylinder;

[0062] In the third-phase vacuum arc extinguishing mechanism 83, the upper wiring bar 3 extends out from the rear upper wire outlet hole of the third-phase insulation cylinder, and the lower wiring bar 4 extends out from the front lower wire outlet hole of the third-phase insulation cylinder.

[0063] The second embodiment of the outlet structure for vacuum AC contactor:

[0064] In the first phase vacuum arc extinguishing mechanism 81, the upper wiring bar 3 extends from the front upper wiring hole of the first phase insulation cylinder, and the lower wiring bar 4 extends from the rear lower wiring hole of the first phase insulation cylinder;

[0065] In the second phase vacuum arc extinguishing mechanism 82, the upper wiring bar 3 extends from the front upper wiring hole of the second phase insulation cylinder, and the lower wiring bar 4 extends from the rear lower wiring hole of the second phase insulation cylinder;

[0066] In the third-phase vacuum arc extinguishing mechanism 83, the upper wiring bar 3 extends out from the front upper wiring hole of the third-phase insulation cylinder, and the lower wiring bar 4 extends out from the rear lower wiring hole of the third-phase insulation cylinder.

[0067] The third embodiment of the outlet structure for vacuum AC contactor:

[0068] like Figure 4 As shown, in the first phase vacuum arc extinguishing mechanism 81, the said wire extends out from the upper rear outlet hole of the first phase insulation cylinder, and the said lower wiring bar 4 extends out from the lower front outlet hole of the first phase insulation cylinder;

[0069] In the second phase vacuum arc extinguishing mechanism 82, the upper wiring bar 3 extends from the front upper wiring hole of the second phase insulation cylinder, and the lower wiring bar 4 extends from the rear lower wiring hole of the second phase insulation cylinder;

[0070] In the third-phase vacuum arc extinguishing mechanism 83, the upper wiring bar 3 extends out from the rear upper wire outlet hole of the third-phase insulation cylinder, and the lower wiring bar 4 extends out from the front lower wire outlet hole of the third-phase insulation cylinder.

[0071] Fourth embodiment of the outlet structure for vacuum AC contactor:

[0072] In the first phase vacuum arc extinguishing mechanism 81, the said wire extends out from the upper rear outlet hole of the first phase insulation cylinder, and the said lower wiring bar 4 extends out from the lower front outlet hole of the first phase insulation cylinder;

[0073] In the second phase vacuum arc extinguishing mechanism 82, the upper wiring bar 3 extends from the front upper wiring hole of the second phase insulation cylinder, and the lower wiring bar 4 extends from the rear lower wiring hole of the second phase insulation cylinder;

[0074] In the third-phase vacuum arc extinguishing mechanism 83, the upper wiring bar 3 extends out from the front upper wiring hole of the third-phase insulation cylinder, and the lower wiring bar 4 extends out from the rear lower wiring hole of the third-phase insulation cylinder.

[0075] like Figure 5 As shown, in the three-phase vacuum arc extinguishing mechanism, the three upper wiring bars 3 all extend from the three rear upper wiring outlet holes, and the three lower wiring bars 4 all extend from the rear lower wiring outlet holes.

[0076] Similarly, the three upper wiring bars 3 and the three lower wiring bars 4 can also extend from the three front upper wiring holes and the three front lower wiring holes.

[0077] Theoretically, there are twelve types of outgoing line structures for vacuum AC contactors. This patent application lists the above types. The remaining outgoing line structures can be selected according to the cabinet cavity layout, and not all of them are listed here.

[0078] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0079] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0080] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0081] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some communication interfaces, and the indirect coupling or communication connection of devices or units can be electrical, mechanical or other forms.

[0082] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0083] In addition, each functional unit in each embodiment of the present utility model may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0084] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A line-out structure for a vacuum AC contactor, comprising a three-phase vacuum arc extinguishing mechanism, each phase vacuum arc extinguishing mechanism comprising an insulating cylinder (2) and a vacuum bubble, characterized in that: The insulating cylinder (2) comprises A left half cylinder and a right half cylinder, wherein both sides of the left half cylinder and the right half cylinder are provided with an upper wire outlet (211) and a lower wire outlet (212); The left half cylinder and the right half cylinder are connected by bolts to form a cylindrical cylinder body, so that the cylinder body forms a front upper wire outlet hole, a front lower wire outlet hole, a rear upper wire outlet hole and a rear lower wire outlet hole at the front and rear positions; The stationary contact rod (71) of the vacuum bubble (7) is connected to the upper wiring row (3), and the moving contact rod (72) of the vacuum bubble (7) is connected to the lower wiring row (4). The upper wiring row (3) is suitable for extending from the front upper wiring hole or the rear upper wiring hole, and the lower wiring row (4) is suitable for extending from the front lower wiring hole or the rear lower wiring hole.

2. The outlet wire structure for vacuum AC contactor according to claim 1 is characterized in that: In the first-phase vacuum arc extinguishing mechanism (81), the upper wiring bar (3) extends out from the upper rear outlet hole of the first-phase insulation barrel, and the lower wiring bar (4) extends out from the lower front outlet hole of the first-phase insulation barrel; In the second-phase vacuum arc extinguishing mechanism (82), the upper wiring bar (3) extends out from the rear upper wiring hole of the second-phase insulation cylinder, and the lower wiring bar (4) extends out from the front lower wiring hole of the second-phase insulation cylinder; In the third-phase vacuum arc extinguishing mechanism (83), the upper wiring bar (3) extends out from the upper rear outlet hole of the third-phase insulation cylinder, and the lower wiring bar (4) extends out from the lower front outlet hole of the third-phase insulation cylinder.

3. The outlet wire structure for vacuum AC contactor according to claim 1 is characterized in that: In the first-phase vacuum arc extinguishing mechanism (81), the upper wiring bar (3) extends out from the front upper wiring hole of the first-phase insulation cylinder, and the lower wiring bar (4) extends out from the rear lower wiring hole of the first-phase insulation cylinder; In the second-phase vacuum arc extinguishing mechanism (82), the upper wiring bar (3) extends out from the front upper wiring hole of the second-phase insulation cylinder, and the lower wiring bar (4) extends out from the rear lower wiring hole of the second-phase insulation cylinder; In the third-phase vacuum arc extinguishing mechanism (83), the upper wiring bar (3) extends out from the front upper wiring hole of the third-phase insulation cylinder, and the lower wiring bar (4) extends out from the rear lower wiring hole of the third-phase insulation cylinder.

4. The outlet wire structure for vacuum AC contactor according to claim 1 is characterized in that: In the first-phase vacuum arc extinguishing mechanism (81), the upper wiring bar (3) extends out from the upper rear outlet hole of the first-phase insulation barrel, and the lower wiring bar (4) extends out from the lower front outlet hole of the first-phase insulation barrel; In the second-phase vacuum arc extinguishing mechanism (82), the upper wiring bar (3) extends out from the front upper wiring hole of the second-phase insulation cylinder, and the lower wiring bar (4) extends out from the rear lower wiring hole of the second-phase insulation cylinder; In the third-phase vacuum arc extinguishing mechanism (83), the upper wiring bar (3) extends out from the upper rear outlet hole of the third-phase insulation cylinder, and the lower wiring bar (4) extends out from the lower front outlet hole of the third-phase insulation cylinder.

5. The outlet wire structure for vacuum AC contactor according to claim 1, characterized in that: The upper wiring bar (3) is a connection structure with the moving contact rod (72), comprising a hanging plate (51) and a plurality of hanging bolts (52); the upper wiring bar (3) is a metal copper bar; The hanging plate (51) is placed on the top plate of the cylinder, the upper wiring bar (3) extends to the bottom of the top plate, and each hanging bolt (52) passes through the top plate and the upper wiring bar (3) in sequence and is connected to the moving contact rod (72), thereby fixing the moving contact rod (72), the upper wiring bar (3) and the top plate together.

6. The outlet wire structure for vacuum AC contactor according to claim 1, characterized in that: The connection structure between the lower wiring row (4) and the moving contact rod (72) comprises a flexible connection (41) and a plurality of locking bolts (53). The lower wiring bar (4) is a copper bar; The inner side of the flexible connection (41) is connected to the moving contact rod (72), and the outer side of the flexible connection (41) is connected to the lower wiring bar (4). Each locking bolt (53) passes through the flexible connection (41) and the lower wiring bar (4) and is connected to the cylinder body to fix the lower wiring bar (4) at the outlet.

7. The outlet wire structure for vacuum AC contactor according to claim 1, characterized in that: The left half cylinder and the right half cylinder have the same structure.

Images