One-key sequential control gas insulated switchgear in transformer substation and transformer substation

Abstract

The utility model discloses a one-key sequential-control gas insulated switchgear in a transformer station and the transformer station, and relates to the field of application of power systems. The gas insulated switchgear comprises a mechanism box, a crank arm, a connecting rod, a microswitch and a signal terminal, the mechanism box comprises a box body, and a gland is arranged above the box body; one end of the crank arm is rotatably arranged on the gland; one end of the connecting rod is connected with an output shaft of the mechanism box, the other end of the connecting rod is connected with the other end of the crank arm, and the mechanism box can drive the connecting rod to reciprocate so that the crank arm can swing in a reciprocating mode; the micro-switches comprise an opening position micro-switch and a closing position micro-switch, the opening position micro-switch is arranged on the gland and located at the opening position of the crank arm, and the closing position micro-switch is arranged on the gland and located at the closing position of the crank arm; the signal terminal is respectively connected with the opening position microswitch and the closing position microswitch and receives signals.

Description

Technical Field

[0001] The utility model relates to the technical field of power systems, in particular to a one-button sequentially controlled gas-insulated combined electrical device in a transformer substation and a transformer substation. Background Art

[0002] In recent years, with the rapid development of power grids, the scale of substation equipment has exploded. In response to the ever-increasing demands for safe grid operation and service quality, one-button sequential control technology has emerged.

[0003] At present, it is not possible to directly carry out sequential control transformation on equipment that has been put into operation earlier, and the earlier power equipment needs to be optimized. Utility Model Content

[0004] To achieve the above objectives, an embodiment of the present invention provides a portable electronic target surface.

[0005] According to an embodiment of the utility model, a one-button sequentially controlled gas-insulated combination electrical equipment in a substation includes: a mechanism box, the mechanism box includes a box body, and a pressure cover is provided on the top of the box body; a crank arm, one end of the crank arm is rotatably provided on the pressure cover; a connecting rod, one end of the connecting rod is connected to the output shaft of the mechanism box, and the other end of the connecting rod is connected to the other end of the crank arm, and the mechanism box can drive the connecting rod to perform reciprocating motion to make the crank arm swing back and forth; a microswitch, the microswitch includes an opening position microswitch and a closing position microswitch, the opening position microswitch is provided on the pressure cover and is located in the opening position of the crank arm, and the closing position microswitch is provided on the pressure cover and is located in the closing position of the crank arm; a signal terminal, the signal terminal is respectively connected to the opening position microswitch and the closing position microswitch, and receives signals.

[0006] In some embodiments, the one-button sequentially controlled gas-insulated combination electrical equipment in the substation further includes a pressure ring; the pressure ring is arranged on the pressure cover, and the open position microswitch and the closed position microswitch are both arranged on the pressure ring.

[0007] In some embodiments, the pressure ring includes two symmetrical arc rings, each having a protrusion at both ends, and a fixing hole provided on the protrusion. The protrusions of the two arc rings are butt-jointed with each other, and the two arc rings can be fixed by passing bolts through the fixing holes.

[0008] In some embodiments, the one-button sequentially controlled gas-insulated combination electrical equipment in the substation also includes two mounting plates; the two mounting plates are respectively arranged on the two arc rings, one mounting plate is used to install the open position micro switch, and the other mounting plate is used to install the closed position micro switch.

[0009] In some embodiments, a threaded hole is provided on the side wall of the arc-shaped ring, and a threaded member is suitable for installing in the threaded hole, and the front end of the threaded member is suitable for abutting against the pressure cover.

[0010] In some embodiments, there are multiple threaded holes, and the multiple threaded holes are spaced apart along the length direction of the arc ring.

[0011] According to an embodiment of the utility model, a one-button sequential control substation includes: a plurality of gas-insulated combination electrical devices and a control center, wherein the gas-insulated combination electrical devices are the gas-insulated combination electrical devices described in any one of the above embodiments; the control center is connected to each of the signal terminals in the plurality of gas-insulated combination electrical devices.

[0012] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and do not limit the present disclosure. Other features and aspects of the present disclosure will become more apparent from the following detailed description of exemplary embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0014] Figure 1 This is a schematic diagram of a gas-insulated combination electrical device according to an embodiment of the present utility model when the crank arm is in the open position.

[0015] Figure 2 This is a schematic diagram of a gas-insulated combination electrical device according to an embodiment of the present invention when the crank arm is in the closed position.

[0016] Figure 3 This is a schematic diagram of a medium-voltage ring of a gas-insulated combined electrical equipment according to an embodiment of the present utility model.

[0017] Reference numerals

[0018] Gas-insulated combination electrical equipment 100, mechanism box 10, box body 11, gland 12, crank arm 20, connecting rod 21, micro switch 30, open position micro switch 31, closed position micro switch 32, pressure ring 40, arc ring 41, protrusion 42, fixing hole 43, threaded hole 44, bolt 50, mounting plate 60. DETAILED DESCRIPTION

[0019] The technical solutions of the present invention will be clearly and completely described below in conjunction with specific embodiments. However, it should be understood by those skilled in the art that the embodiments described below are only used to illustrate the present invention and should not be regarded as limiting the scope of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present invention.

[0020] like Figure 1-Figure 3 As shown, a gas-insulated combined electrical device 100 in a substation (not shown) with one-button sequential control according to an embodiment of the present invention includes a mechanism box 10, a crank arm 20, a connecting rod 21, a micro switch 30 and a signal terminal (not shown).

[0021] The mechanism box 10 includes a box body 11, with a pressure cover 12 disposed above the box body 11. One end of a crank arm 20 is rotatably disposed on the pressure cover 12. One end of a connecting rod 21 is connected to the output shaft of the mechanism crank arm 10 at the output shaft end of the mechanism box, and the other end of the connecting rod 21 is connected to the other end of the crank arm 20. The mechanism box 10 can drive the connecting rod 21 to reciprocate, thereby causing the crank arm 20 to swing back and forth.

[0022] The microswitch 30 includes an open position microswitch 31 and a closed position microswitch 32. The open position microswitch 31 is provided on the gland 12 and is located in the open position of the crank arm 20. The closed position microswitch 32 is provided on the gland 12 and is located in the closed position of the crank arm 20. The signal terminal is connected to the open position microswitch 31 and the closed position microswitch 32 respectively and receives signals.

[0023] In summary, in the present invention, by adding a pair of auxiliary micro switches 30, dual confirmation of the opening and closing states of the disconnector can be achieved.

[0024] In some embodiments, as Figure 1-Figure 3 As shown, the one-button sequential control gas-insulated combination electrical equipment 100 in the substation further includes a pressure ring 40 ; the pressure ring 40 is arranged on the gland 12 , and the open position micro switch 31 and the closed position micro switch 32 are both arranged on the pressure ring 40 .

[0025] In some embodiments, as Figure 1-Figure 3As shown, the pressure ring 40 includes two symmetrical arc rings 41, each having a protrusion 42 at both ends, and a fixing hole 43 is provided on the protrusion 42. The protrusions 42 of the two arc rings 41 are butt-jointed with each other, and the two arc rings 41 can be fixed by passing a bolt 50 through the fixing hole 43.

[0026] In some embodiments, as Figure 1-Figure 3 As shown, the one-button sequential control gas-insulated combination electrical equipment 100 in the substation also includes two mounting plates 60; the two mounting plates 60 are respectively arranged on the two arc rings 41, one mounting plate 60 is used to install the open position micro switch 31, and the other mounting plate 60 is used to install the closed position micro switch 32.

[0027] In some embodiments, as Figure 1-Figure 3 As shown, a threaded hole 44 is provided on the side wall of the arc-shaped ring 41 , and a threaded member (not shown) is suitable for being installed in the threaded hole 44 , and the front end of the threaded member is suitable for abutting against the pressure cover 12 .

[0028] In some embodiments, as Figure 1-Figure 3 As shown, there are multiple threaded holes 44 , and the multiple threaded holes 44 are spaced apart along the length direction of the arc ring 41 .

[0029] like Figure 1-Figure 3 As shown, a one-button sequential control substation according to an embodiment of the present invention includes: a plurality of gas-insulated combination electrical devices 100 and a control center, wherein the gas-insulated combination electrical device 100 is a gas-insulated combination electrical device 100 according to any one of the above embodiments; and the control center is connected to each signal terminal of the plurality of gas-insulated combination electrical devices 100.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0031] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0032] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0034] In the present invention, the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0035] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A one-button sequential control gas-insulated combined electrical equipment in a substation, characterized in that: include: The mechanism box comprises a box body, and a pressure cover is provided on the top of the box body; A crank arm, one end of which is rotatably disposed on the gland; a connecting rod, one end of which is connected to the output shaft of the mechanism box, and the other end of which is connected to the other end of the crank arm, wherein the mechanism box is capable of driving the connecting rod to perform reciprocating motion so as to cause the crank arm to swing back and forth; A micro switch, wherein the micro switch includes an opening position micro switch and a closing position micro switch, wherein the opening position micro switch is arranged on the gland and is located in the opening position of the crank arm, and the closing position micro switch is arranged on the gland and is located in the closing position of the crank arm; The signal terminal is connected to the micro switch in the open position and the micro switch in the closed position respectively, and receives signals.

2. The one-button sequential control gas-insulated switchgear device in a substation according to claim 1, characterized in that: Also includes: pressure ring; The pressure ring is arranged on the pressure cover, and the opening position micro switch and the closing position micro switch are both arranged on the pressure ring.

3. The one-button sequential control gas-insulated switchgear device in a substation according to claim 2, characterized in that: The pressure ring includes two symmetrical arc rings, each having a protrusion at both ends thereof, and a fixing hole provided on the protrusion. The protrusions of the two arc rings are butt-jointed with each other, and the two arc rings can be fixed by passing bolts through the fixing holes.

4. The one-button sequential control gas-insulated switchgear device in a substation according to claim 3, characterized in that: Also includes: two mounting plates; The two mounting plates are respectively arranged on the two arc-shaped rings, one mounting plate is used for mounting the micro switch in the open position, and the other mounting plate is used for mounting the micro switch in the closed position.

5. The one-button sequential control gas-insulated switchgear device in a substation according to claim 3, characterized in that: A threaded hole is provided on the side wall of the arc-shaped ring. A threaded member is suitable for installing in the threaded hole. The front end of the threaded member is suitable for abutting against the pressure cover.

6. The one-button sequential control gas-insulated switchgear device in a substation according to claim 5, characterized in that: There are a plurality of threaded holes, and the plurality of threaded holes are arranged at intervals along the length direction of the arc ring.

7. A one-button sequential control substation, characterized in that: include: A plurality of gas-insulated combined electrical devices, wherein the gas-insulated combined electrical device is the gas-insulated combined electrical device according to any one of claims 1 to 6; A control center is connected to each of the signal terminals of the plurality of gas-insulated combination electrical devices.

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