EP3659163A1

EP3659163A1 - Module set for making circuit breakers

Info

Publication number: EP3659163A1
Application number: EP18769091.2A
Authority: EP
Inventors: Thomas Chyla; Stefan Giere; Volker Lehmann; Jörg Teichmann; Jan WEISKER; Jens Schimmelpfennig
Original assignee: Siemens AG
Current assignee: Siemens Energy Global GmbH and Co KG
Priority date: 2017-09-26
Filing date: 2018-09-03
Publication date: 2020-06-03
Anticipated expiration: 2038-09-03
Also published as: DE102017217053A1; EP3659163B1; CN111164718B; WO2019063243A1; CN111164718A

Abstract

The invention relates to a module set (1) for making circuit breakers (100). The module set (1) comprises a type of identical switching units (3), at least one type of identical switching unit frames (5, 7), each of which can be connected to a switching unit (3), and at least one type of identical switching unit frame adapters (9, 10), each of which can be connected to a switching unit and to a switching unit frame (5, 7).

Description

description

Module set for the construction of circuit breakers The invention relates to a module set for the construction of circuit breakers.

Circuit breakers are electrical switches that are designed for high electrical currents and voltages to particular high overload currents and short circuit currents can safely turn off ^¬. For this purpose, circuit breakers on a variety of modules, which differ greatly depending on the requirements ^¬ ments on the respective circuit breaker. Such assemblies include, for example, switching units for opening and closing current paths, insulators for electrical insulation of switching units, and kinematic chains for connecting switching units to drives for movable switching elements of the switching units. The invention has for its object to simplify the construction of Lei ^¬ tion switches and to reduce the cost of the construction of circuit breakers.

The object is achieved by the features of claim 1.

Advantageous embodiments of the invention are the subject of the dependent claims. An inventive module set for the construction of circuit breakers comprises a switching unit type identical switching ^¬ units, at least one switching unit socket bauglei ^¬ cher switching unit socket, which are each connected to a Schaltein ^¬ unit, and at least one Schalteinheitssεkelkelaptaptertyp identical switching unit socket adapter, each with a switching unit and a Switching unit so ^¬ ckel are connectable. The invention enables the construction of various power switches ^¬ with the modules of a module set. The module set has at least one switching unit socket type of identical switching unit socket and at least one switching unit sockel adapter type of identical switching unit socket adapter for a switching unit type of structurally identical switching units. This can be achieved by various combinations of switching unit sockets and switching unit socket adapters with a

Switching unit different breaker units are built for circuit breaker. In particular, the He ^¬ invention, a switching unit allows directly or be connected to a switching unit base via a switching unit socket adapter. As a result, a relatively simply designed switch socket adapter can be used as an extension of a relatively complex switch socket, if necessary, so that fewer different switch unit sockets must be kept ready. This advantageously reduces the cost of constructing circuit breakers designed for different requirements.

An embodiment of the invention provides a plurality of switching unit socket adapter types, wherein the switching unit socket adapters of different switching unit socket adapter types have different lengths. As a result, the number of switch unit sockets to be produced can advantageously be advantageously reduced by a larger variety of switch unit socket adapters of different lengths.

A further embodiment of the invention provides that the switching unit socket adapters are each detachably connectable, for example by screw connections, to a switching unit and / or to a switching unit socket. This Substituted ^¬ staltung of the invention advantageously allows a simple and flexible extension of switching unit sockets by switching unit socket adapter.

A further embodiment of the invention provides that the switching units each have a first rated current contact, a with the first rated current contact electrically connected pin ^¬ like first arcing ^contact piece, a second

Rated current contact and having an electrically connected to the second rated current contact hollow second arcing contact piece. As a result, the module set includes switching units of a common type, which are suitable for the construction of circuit breakers in many different applications.

A further configuration of the above embodiment of the inven- tion provides a first switching unit socket type bauglei ^¬ cher first switching unit base, which are respectively formed for supporting the first rated current contact and the first clock Lichtbogenkon ^¬ piece of a switching unit. Furthermore, this embodiment of the invention provides a second Schaltein- unit socket type identical second switching unit socket, which are each formed for the movable mounting of the second rated current contact and the second arcing contact piece of a switching ^¬ unit. The Schalteinheitsso- can ckeladapter each having a first switching unit socket adapter end that is adapted to support the first rated current contact and the ers ^¬ th arcing contact piece of a switching unit and a second switching unit socket adapter end that is connectable to a first switching unit base. These embodiments of the invention take into account that switching unit base for fixed and movable

Rated current contacts meet different requirements and are therefore designed differently. In addition, they take into account that switching unit socket for fixed

Rated current contacts can usually be designed simpler than switching unit sockets for movable rated current contacts and can therefore be extended more easily by switching unit sockel adapters than switching unit sockets for movable rated current contacts. A further embodiment of the invention provides a chain type of identical kinematic chains for connecting a drive of a circuit breaker with at least one bewegba ^¬ ren switching element of a switching unit. This will partly reduces the number of different kinematic chains. The reduction is made possible by the use of structurally identical switching units and switching unit sockets. A further embodiment of the invention provides a plurality of breaker unit tube types each of identical breaker unit insulator tubes which are each designed to receive an interrupter unit, which is either a breaker unit

Switching unit and at least one switching unit socket or a switching unit, at least one switching unit socket and at least one switching unit socket adapter. In other words, this embodiment of the invention provides advantageous, for interrupter units, which are built from different combinations of switching unit sockets and Schaltein- unit socket adapters, each with a switching unit, appropriate breaker unit isolator tubes vorzuhalten.

A further embodiment of the invention provides a connection housing type of identical connection housing, which are each designed to connect two breaker units of a circuit breaker. This embodiment of the invention advantageously allows the interrupter units, which are constructed from modules of the module set by corresponding de connection housing of the module set with each other to verbin ^¬, for example, the interrupter units to interconnect to one another and thereby reduce the number of different modules for the construction of different power switch on. A further embodiment of the invention provides a switch-resistor type of identical ON resistances, we ^¬ nigstens a Einschaltwiderstandssockeltyp of identical switch-resistant base, which are Einschaltwi ^¬ resistor each connectable to one, and at least one Einschaltwi- derstandssockeladaptertyp of identical Einschaltwiderstandsso- ckeladapter, each with an on-resistance and a switch-on resistor base are connectable before. This embodiment of the invention extends the invention Modular construction of breaker units of circuit breakers according to the modular construction of breaker units of circuit breakers. In particular, according to the above embodiments of the invention for constructing breaker units of circuit breakers, a plurality of turn-on resistor pedestal adapter types may be provided, wherein the turn-on resistor pedestals of different on-load resistor pedestal adapter types have different lengths. Furthermore, it can be provided that the on-resistance base adapters are in each case detachably connectable to an on-resistance and / or to a starting resistor base. Alternatively or additionally, a plurality of types of resistance tubes each having identical Einschaltaltstandsisolatorröhren be provided, each of which is designed to receive a Einschaltwiderstandseinheit having either an on-resistance and at least one Einschaltwiderstandtsockel or on-resistance, at least one Einschaltwiderstandssockel and at least one Einschaltwiderstandεockeladapter.

An inventive circuit breaker has modules of a module set according to the invention with the above-mentioned advantages.

The above-described characteristics, features and advantages of this invention as well as the manner in which they are achieved will become clearer and more clearly understood in connection with the following description of embodiments which will be described in connection with the drawings. Showing:

1 shows modules of a module set for the construction of power ^¬ switches,

2 is a sectional view of a first embodiment of a circuit breaker, 3 shows a detail of a schematic Schnittdar- position of a second embodiment of a circuit breaker, 4 shows a detail of a schematic sectional view of a third embodiment of a circuit breaker,

5 shows a detail of a schematic Schnittdar- position of a fourth embodiment of a

Circuit breaker,

6 is a sectional view of an interrupter unit of a circuit breaker with a switching unit and two switching unit sockets,

7 shows a sectional representation of a first switching unit base, FIG. 8 shows a sectional view of a switching unit, one

Switching unit cap and a Schalteinheitsso- ckeladapters an interrupter unit of an Leis ^¬ tung switch, FIG 9 is a sectional view of a ckeladapters Schalteinheitsso-,

10 shows a sectional view of a switching unit socket adapter connected to a switching unit socket.

Corresponding parts are designated in the figures with Densel ^¬ reference symbols. 1 schematically shows modules of a module set 1 for the construction of circuit breakers 100. The module set comprises structurally identical switching units 3 of a switching unit type, baulei ^¬ first first switching unit socket 5 a first Schaltein- sock socket type, identical second switching unit socket 7 ei ^¬ nes second switching unit socket type, identical first

Switching unit socket adapter 9 of a first switching unit socket adapter type identical second switching unit socket adapter 10 of a second switching unit socket adapter type, construction ^¬ same kinematic chain 11 of a chain type, identical first interrupter unit insulator tubes terbrechereinheitsröhrentyps 13 of a first Unalloyed, identical second interrupter unit insulator tubes 14 of a second Unterbrechereinheits- tubular type, identical third Unterbrechereinheitsisola- torröhren 15 of a third switch unit tube type identical connector housing 17 of a connector housing ^¬ type, identical on resistances 19 of a Einschaltwi- derstandstyps, identical first Einschaltwiderstandssockel 21 of a first Einschaltwiderstandssockeltyps, identical two ^¬ te Einschaltwiderstandssockel 23 ckeladapter a second Einschaltwi ^¬ derstandssockeltyps, identical first Einschaltwiderstandsso- 24 of a first on-resistance base adapter type, b A second on-resistance plate adapter type second on-resistance base adapter 25, first resistor tube type first on-resistance insulator tubes 27, second resistance tube type second on-state insulator tubes 28 of the same type, and third resistor tube type third on-resistance insulator tubes 29 of the same type are used.

The design and function of these modules are described in more detail below. 2 shows schematically a sectional view of a first embodiment of a circuit breaker 100. The circuit breaker 100 has two first breaker ^units 31, a vertical isolator column 35, a drive 37, a control cabinet 39 with control components for controlling the circuit breaker 100 and a support post 41.

Each first interrupter unit 31 has a switching unit 3, a first switching unit base 5, a second switching unit 5, a second switching unit safety socket 7 and a first breaker isolator tube 13 of the module set 1. The switching unit 3 is Zvi ^¬ rule the first switching unit and the second base 5

Switching unit socket 7 mounted. The switching unit 3 and the switching unit sockets 5, 7 are arranged in a first breaker unit insulator tube 13.

The two first interrupter units 31 are connected to one another by a connecting housing 17, from which the first interrupter isolator tubes 13 of the two first interrupter units 31 project horizontally on opposite sides.

The connection housing 17 is arranged at an upper end of the insulator column 35. The drive 37, the control cabinet 39 and the lower end of the insulator column 35 are arranged on the supporting ^¬ stalk 41. The drive 37 is connected via a guided through the insulator column 35 coupling rod 43 with a kinematic ^¬ rule chain 11 of the module set 1, which is connected to bewegbar- switching elements of the switching units 3. Via the coupling rod 43 and the kinematic chain 11, the movable switching elements of the switching units 3 can be driven by the drive 37 at the same time to open or close by the movement of the switching elements in series with each other connected current paths of the first two interrupter units 31.

Figures 3 and 4 show schematic sectional views of further embodiments of circuit breakers 100. The circuit breaker 100 shown in Figures 3 and 4 differ from the circuit breaker 100 shown in Figure 2 only by the execution of their breaker units 32, 33 and are therefore only in the range the breaker units 32, 33 shown.

FIG. 3 shows a power switch 100 with two second breaker units 32, each of which has a switching unit 3, a first switching unit base 5, a second switching unit 3. Socket 7, a first switching unit socket adapter 9 and a second breaker unit insulator tube 14 of the module ^¬ set 1 have. The first switching unit socket adapter 9 of each second interrupter unit 32 is mounted between the switching unit 3 and the first switching unit socket 5 in more detail below. The switching unit 3 is Zvi ^¬ rule the first switching unit socket adapter 9 and the second switching unit base 7 mounted. FIG. 4 shows a power switch 100 with two third breaker units 33, which each have a switching unit 3, a first switching unit base 5, a second switching unit base 7, a second switching unit base adapter 10 and a third interrupter unit insulator tube 15 of the module set 1. The second Schalteinheitssockeladap ^¬ ter 10 of each third switch unit 33 is mounted similar to egg ^¬ nem first switching unit socket adapter 9 of Figure 3 between the switch unit 3 and the first switching unit base. 5 The switching unit 3 is between the second

Switching unit socket adapter 10 and the second switching unit socket 7 mounted.

Figure 5 shows a further embodiment of a Leis ^¬ tung switch 100. This power switch 100 includes two pairs of second switch units 32, which are in each case as the second interrupter units 32 of the embodiment shown in Figure 3 is formed. The two pairs of second interrupter units 32 are interconnected by an electrical connection line 44, so that the current paths of all four interrupter units 32 of the circuit breaker 100 are electrically connected in series.

Figures 2 to 5 show by way of example, that with the module ^¬ set 1 power switch 100 with different interruption chereinheiten 31, 32, 33 may be built. That the set of modules 1 Schalteinheitsso ^¬ ckeladapter 9, 10, each having a switching between ^¬ unit 3 and a first switching unit base 5. What is essential in particular, mountable are and serve as extension pieces of the first Schüttinheitsso- ckel 5. As a result, no different first switching unit sockets 5 need be provided for different breaker units 31, 32, 33. The first switching unit socket adapter 9 and the second switching unit socket adapter 10 differ from each other by their length and can therefore be used to different extensions of a first switching unit base 5 to Errei ^¬ chen. Of course, the module set 1 can also have one of two different number of different switch unit soskelaptaptertypen. The interrupter unit tube types differ accordingly by the lengths of their interrupter unit insulator tubes 13, 14, 15. Analogous to the construction of different interrupter units 31, 32 33 different Einschaltwiderstand units can be built with the module set, each of a turn-on resistor 19, a first Einschaltwiderstandssockel 21, ei ^¬ NEN second turn-on resistor socket 23, a Einschaltwi- standisolatorrohr 27, 28, 29 and optionally least ^¬ least one Einschaltwiderstandssockeladapter 24, 25 have. Analogous to the construction of the interrupter units 31, 32, 33 is thus the ON resistance 19 between a first Einschaltwiderstandssockel 21 and a second Einschaltwiderstandssockel 23 mounted, between the A ^¬ switching resistor 19 and a Einschaltwiderstandssockel 21, 23 further comprises a Einschaltwiderstandssockeladapter 24, 25 mounted can be. 6 shows a sectional view of a first interrupter unit 31. The switching unit 3 has a first

Rated current contact 51, one with the first rated current contact 51 electrically connected pin-like first arcing contact ^¬ piece 53, a second rated current contact 55 and an electrically connected to the second rated current contact 55 hollow second arcing contact piece 57 on. The second rated current contact 55 and the two arcing contact pieces 53, 57 are the movable switching elements of the switching unit 3. FIG. 6 shows a switching state in which the current path of the switching unit 3 is not closed. To close the current path of the second rated current contact 55 and the second arcing contact piece 57 via the kinematic chain 11, which is shown here only partially, to the first rated current contact 51 and the first arc ^¬ contact piece 53 moves (to the right in Figure 6) to up to ^¬ next the rated current contacts 51, 55 contact each other and then the first arcing contact 53 in the second

Arc contact piece 57 retracts. The first arcing contact 53 is also moved, but in the opposite direction (in Figure 6 to the left) to the second

Arc contact piece 57 to. Serves a Koppelmechanis- mechanism which couples the movement of the first arcing contact piece 53 to the movement of the second rated current contact 55 and the second arcing contact piece 57, but the direction of movement ^¬ tung reverses. To reverse the direction of movement of the coupling mechanism comprises a reversing lever 59, in which a moving with the second rated current contact 55 and the second arcing contact 57 coupling pin 61 moves.

The first switching unit base 5 supports the first rated current ^¬ contact 51 and thus also the clock with the first Nennstromkon- 51 movably connected first arcing contact piece 53. The first switching unit base 5 is provided with a side remote from the Ver ^¬ binding housing 17 end of the first interrupter device insulator tube 13 is connected , The second switching unit socket 7 supports the second one

Rated current contact 55 and the second arcing contact piece 57, so that they are movable over the kinematic chain 11. The second switching unit 7 is provided with a base facing the Verbin ^¬-making housing 17 end of the first integrated Unterbrecherein- insulator tube 13 is connected.

The first interrupter unit insulator tubes 13, like the other interrupter unit insulator tubes 14, 15 For example, be designed as porcelain or composite insulators.

FIG. 7 shows a sectional representation of an exemplary embodiment of a second switching unit socket 7. The second one

Switching unit socket 7 has, at its connection-housing-side end, a connecting flange 63, which can be connected to a breaker unit insulator tube 13, 14, 15. At the end facing away from the connecting housing 17, the second switching unit socket 7 has an electrically conductive

Lamella ring 65 for electrically conductive movable connection with the second rated current contact 55 of a switching unit 3. FIG. 8 shows the switching unit 3, the first switching unit socket adapter 9 and the first switching unit socket 5 of a second interrupter unit 32. The first switching unit socket adapter 9 has a tubular construction and has a first switching unit socket adapter end 67 which is designed to support the first rated current contact 51 and the first the first rated current contact 51 connected first arcing contact ^¬ piece 53 of the switching unit 3 is formed. Furthermore, the first switch unit socket adapter 9 has a second switch unit socket adapter end 69, which is connected to the first switch unit socket 5.

Figure 9 shows a section of a first switching input standardized socket adapter 9. The first end is Schalteinheitssockeladapter- 67 as a first adapter flange executed whose external surface is curved convex to zuschirmen electric fields from ^¬. Further, the first Schalteinheitssockeladap- terende 67 threaded bores 71 for receiving Schraubele ^¬ elements 75, with which it is buildin ^¬ tigbar to a switching unit. 3 The second switching unit socket adapter end 69 is designed as a second adapter flange having flange holes 73 through which screw members 75 are routable, with which the second switching unit socket adapter end 69 is connectable to a first switching unit socket 5. The two- The switching unit base adapters 10 differ from the first switching unit socket adapters 9 merely by their length.

FIG. 10 shows a sectional view of a first switch unit socket adapter 9 connected to a first switch unit socket 5 by screw elements 75. Analogously, a first switch unit socket adapter 9 can be connected to a switch unit 3.

Although the invention in detail by preferred execution ^¬ examples has been illustrated and described in detail, the invention is not limited by the disclosed examples and other variations can be derived therefrom by the skilled artisan without departing from the scope of the invention.

Claims

claims

1. module set (1) for the construction of circuit breakers (100), the module set (1) comprising

a switching unit type of identical switching units (3),

- at least one switching unit socket type identical

Switching unit socket (5, 7), which are each connectable to a Schaltein ^¬ unit (3), and

- At least one switching unit socket adapter type identical switching unit socket adapter (9, 10), each with a

Switching unit (3) and a switching unit socket (5, 7) are ver ^¬ bindable.

2. module set (1) according to claim 1,

characterized by a plurality of switch unit socket adapter types, wherein the switch unit socket adapters (9, 10) of different switch unit socket adapter types have different lengths.

3. module set (1) according to any one of the preceding claims, characterized in that the Schalteinheitssockeladap ^¬ ter (9, 10) are each releasably connectable to a switching unit (3) and / or with a switching unit socket (5, 7).

4. module set (1) according to any one of the preceding claims, characterized in that the switching units (3) each have a first rated current contact (51), one with the first

Rated current contact (51) electrically connected pin-like first arcing contact piece (53), a second rated current contact (55) and with the second rated current contact (55) electrically connected hollow second arcing contact ^¬ piece (57).

5. module set (1) according to claim 4,

characterized by a first switch unit socket type identical first switch unit socket (5), each for supporting the first rated current contact (51) and the first Arcing contact piece (53) of a switching unit (3) are ^{¬ out} forms, and a second switching unit socket type ^¬ same second switching unit socket (7), each for movable mounting of the second rated current contact (55) and the second arcing contact piece (57) of a Schaltein ^¬ unit ( 3) are formed.

6. module set (1) according to claim 5,

characterized in that the switching unit socket adapters (9, 10) each have a first switching unit socket adapter end (67) designed to support the first rated current contact (51) and the first arcing ^contact piece (53) of a switching unit (3), and a second shift unit sockle adapter end (69) connectable to a first shift unit seat (5).

7. module set (1) according to any one of the preceding claims, characterized by a chain type identical kinemati ^¬ shear chains (11) for connecting a drive (37) of a circuit breaker (100) with at least one movable switching element of a switching unit (3).

8. module set (1) according to one of the preceding claims, characterized by a plurality of interrupter unit tube types in each case of identical interrupter unit insulator tubes (13, 14, 15) each for receiving an interrupter unit (31, 32, 33) are formed, which (either a switching ^¬ unit 3) and at least one switching unit socket (5, 7) or a switching unit (3), at least one switching unit socket (5, 7) and at least one switching unit socket adapter (9, 10).

9. module set (1) according to any one of the preceding claims, characterized by a connection housing type of identical connection housing (17), each for connecting two Un ^¬ terbrechereinheiten (31, 32, 33) of a power ^{scarf ¬} ters (100) are formed.

10. module set (1) according to any one of the preceding claims, characterized by a Einschaltwiderstandstyp bauglei ^¬ cher Einschaltwiderstände (19), at least one Einschaltwi- sstandssockeltyp identical Einschaltwiderstandsso- disgust (21, 23), each with a turn-on (19) are connectable, and at least one Einschaltwiderstandssos sock adapter type identical Einschaltwiderstandssockeladap- ter (24, 25), each with a turn-on resistor (19) and a turn-on resistor socket (21, 23) are connectable.

11. module set (1) according to claim 10,

characterized by a plurality of power-on resistor socket adapters, wherein the power-on resistor socket adapters (24, 25) of different power-on socket adapters have different lengths.

12. module set (1) according to claim 10 or 11,

characterized in that the Einschaltwiderstandsso- ckeladapter (24, 25) are each releasably connectable to a turn-on resistor (19) and / or with a Einschaltwiderstandssockel (21, 23).

13. module set (1) according to any one of claims 10 to 12,

characterized by a plurality of types of resistance tubes each of identical Einschaltwiderstandsisolatorröhren (27, 28, 29), each adapted to receive a Einschaltwiderstandseinheit having either a turn-on (19) and at least one Einschaltwiderstandssockel (21, 23) or a turn-on (19), at least one Einschaltwi ^¬ resistance base (21, 23) and at least one Einschaltwider- stand socket adapter (24, 25).

14. Circuit breaker (100) having modules of a module set (1) according to one of the preceding claims.