CN109643617A - For the contact arm assembly of high-tension switch gear and its application - Google Patents
For the contact arm assembly of high-tension switch gear and its application Download PDFInfo
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- CN109643617A CN109643617A CN201780047869.3A CN201780047869A CN109643617A CN 109643617 A CN109643617 A CN 109643617A CN 201780047869 A CN201780047869 A CN 201780047869A CN 109643617 A CN109643617 A CN 109643617A
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- Prior art keywords
- contact
- contact arm
- profiled bars
- switch gear
- tension switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/34—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact adapted to engage an overhead transmission line, e.g. for branching
- H01H31/36—Contact moved by pantograph
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- Arc-Extinguishing Devices That Are Switches (AREA)
- Contacts (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
The present invention relates to a kind of contact arm assemblies (2) for being used for high-tension switch gear (1), it has at least two contact arms (7), the contact arm can be arranged with moving relative to each other in couples and by least one hinge (10), and the contact arm respectively includes contact arm top (8) and contact arm lower part (9).The contact arm top (8) is respectively provided at least one recess designed for receiving contact element (17).Contacting arm assembly (2) can be according to the present invention using in the high-tension switch gear (1) of pantograph form.
Description
The present invention relates to a kind of for the contact arm assembly of high-tension switch gear and its application, wherein contact arm assembly tool
There are at least two contact arms, the contact arm can be arranged with moving relative to each other in couples and by least one hinge, and
And the contact arm respectively includes contact arm top and contact arm lower part.
High-tension switch gear is applied in high pressure range, the namely voltage of 1000V or more.High-tension switch gear is, for example,
Disconnecting switch, open side type disconnecting switch or earthing switch in particular for visibly turn-off current path.High-voltage switch gear
Equipment can be structured as the form of pantograph.Here, typical structure includes that at least one has moveable and fixed connect
The contact site (or contact) of contact element.The e.g. spatially fixed cylinder of fixed contact, namely fixed contact
Metal tube or cable.Contact is made of such as copper by the material of steering current well, and/or in order to realize higher machinery
Intensity is made of aluminum.
Moveable contact has at least two contact arms for example including contact arm assembly, and the contact arm is pairs of
It ground and can be arranged with moving relative to each other by least one hinge, be similar to pantograph.Contact arm respectively includes contact arm
Top and contact arm lower part.When being electrically connected with fixed contact therefor, the contact arm top of corresponding contact arm pair is moved toward one another,
It is exactly conjointly similar to scissors by hinge closely to move, wherein fixed contact therefor is clamped between contact arm top.
Here, the electrical contact between fixed contact therefor and moveable contact is built by the contact arm top being connected with fixed contact therefor
It is vertical.
When through contact device turn-off current path, the contact arm top of corresponding contact arm pair is transported away from each other
It is dynamic, that is, be similar to scissors and open ground movement, wherein the fixation between contact arm top is released by contact arm top
Contact.Contact arm can be for example made of the metalwork of tubulose, such as be made of copper pipe and/or aluminum pipe.
In the state that the connection of high-tension switch gear is connected in other words, need in fixed contact and moveable contact arm
Between there are good electrical contact, to pass through contact steering current to low-loss without loss or at least.
It is good visible to make the distance piece in such as disconnecting switch and earthing switch outward, and due to space original
Cause, the switch is usually not packed and is fitted without in the housing.Therefore, the element or component of high-tension switch gear
It is likely to be exposed in weather influence.Wind and/or ice load may cause moveable contact and undesirably move, and especially cause
Movement far from fixed contact, this makes electrical contact be deteriorated and therefore causes to generate higher electrical loss on contact site.?
Under extreme case, current path may be disconnected inadvertently and generate unfavorable result to the power grid connected.
In a short-circuit situation, power may be generated due to high current, such as passes through the component change around current flowing
Magnetic field, the power namely generated by induction, it is far from fixed contact mobile that the power may cause moveable contact arm.This
It may cause electrical contact similar to weather with influencing be deteriorated and therefore cause to generate higher electrical loss on contact site.In pole
In the case of end, current path may be disconnected inadvertently.
Due to foregoing problems, the reliability of high-tension switch gear is limited, and high electrical loss may cause it is high
Cost.The safety of electrical contact, controlled disconnection and connection may be limited or infeasible.Moveable contact and solid
The adjustment adaptation for determining the contact surface between contact is consuming and may be associated with higher material consumption, because of contact
Part must change and be adapted to as a whole.Thus, for example pipe fitting must conduct in order to realize higher electric current with lesser resistance
Whole design is with biggish cross section, more material and/or is designed as the rectangular shaft with the profile being adapted to contact surface.
This improves cost and reduces design freedom, such as profile and mechanical stability requirements are adapted to.
Technical problem to be solved by the present invention lies in avoid or reduce foregoing problems.Skill to be solved by this invention
Art problem in particular, in that, provide it is a kind of for the contact arm assembly of high-tension switch gear and its application, the contact arm assembly and
Its application especially can realize reliable function with the lower electrical loss under the connection status of high-tension switch gear, and can
Cheap, satisfactory, the especially modular make of cost of implementation.
The technical issues of providing is used for high-tension switch gear according to feature described in claim 1 by having by the present invention
Contact arm assembly and/or by contact according to claim 10 arm assembly application solve.Use according to the invention
In high-tension switch gear contact arm assembly and/or contact arm assembly application expedients scheme in the dependent claims
It provides.Here, the technical solution of independent claims can be combined with the feature of dependent claims and appurtenance is wanted
The feature asked can be combined with each other.
Contact arm assembly according to the invention for high-tension switch gear includes at least two contact arms, the contact arm
It can arrange with moving relative to each other in couples and by least one hinge, and the contact arm respectively includes on contact arm
Portion and contact arm lower part.The contact arm top be respectively provided at least one or accurately one designed for accommodate contact element
The recess of part.
By the recess in contact arm top can respectively by contact element simply and inexpensively, stablize and lead
It is fixed on contact arm electricly.Coordinate adaptedly with the scope of application of high-tension switch gear, by recess, contact element can be with
Predetermined advantageous shape and ground is made by suitable material, is independently fixed on and connects with the shape on contact arm top and material
On contact arm top.The shape on contact arm top is independent of the electric interface for electrical contact between contact arm and fixed contact
Shape.Can be used for example the contact element of T shape, the contact element on contact site electric current and voltage range it is corresponding
Ground is selected.Therefore, T shape contact element can be relative to tubulose, namely O shape contact in moveable contact
Bigger contact surface is generated between fixed contact, the contact surface is under the closed state of high-tension switch gear with lesser electricity
Reliable electric current is realized in loss.The contact element being made of copper can be used, the contact element is with or without for example
By the coating that constitutes of silver, or in order to long-time stable excellent electric contact and use the material of resistance to combustion.Contact element can be
Good electrical contact is formed under the closed state of high-tension switch gear, have lesser electrical loss and it is resulting it is less at
This, even if being also especially such under the influence of unfavorable weather, when short-circuit for example when having wind and freezing and/or in power grid.
Relative to the contact arm top being made of a component, especially round tube, can be used for example with T shape profile
Contact element, these contact elements have strip contact surface on the fixed contact of tubulose.It is different, do not have contact element
The cylindrical contact arm top of part only has dotted contact when connecting with tubulose, namely cylindrical fixed contact
Face.Higher contact reliability in longitudinal line of movement of the contact along opposed contact passes through bigger bearing
Face is given, because contact only may be locally along longitudinal axis and incompletely interrupt.Bigger bearing surface is equally with smaller
Electrical loss realize better electric current flowing.
The design of the recess being respectively provided with for accommodating contact element on contact arm top realizes the mould of contact arm assembly
Blocking structure and contact element provide for simple replacement of.The contact element can be carried out with remaining independent of structure of contact arm assembly
Selection, in shape and material in order to preferably be in electrical contact, it is corresponding to electric current and voltage range required by high-tension switch gear
Ground is optimised.In abrasion, contact element can simply be moved out of recess and be replaced by new contact element.In addition to recessed
Place, the design of contact arm it is unrelated with contact element and can in material and shape be directed to such as mechanical stability performance and
Cost reduction optimizes.
High-tension switch gear can be high voltage isolator, the especially disconnecting switch of pantograph form or the height
Voltage switching station can be high voltage ground switch, the especially earthing switch of pantograph form.The high-tension switch gear can be with
It is designed as the form of single-column switchgear.The aforementioned advantages of arm assembly are contacted especially in disconnecting switch and earthing switch and single-column
It is realized in switchgear and the switchgear constructed according to the form of pantograph.
Contacting arm assembly may include some contact arms, and the quantity of the contact arm can be connect with high-tension switch gear
On power grid parameter it is related, it is especially related to running current and/or short circuit current.In the electric current and/or electricity that maximum occurs
When pressing larger, greater number of contact arm can be used.The quantity can also be selected according to the shape and moulding of contact arm
It selects, greater number of contact arm especially can be used when contact arm cross section reduces.It contacts flexible in the design of arm assembly
Property cost can be made to reduce, realized and reliably run and/or keep constant the maximum electrical loss occurred on contact site
Or it reduces.
The contact arm lower part and/or contact arm top may include at least two profiled bars, and the profiled bars are especially logical
Super-interval element is rigidly connected to each other.It is thus achieved that the mechanically stable contact arm assembly having good conductive property,
With recess.The region of component, such as contact element and other contact arms can partially or fully be arranged in the recess
In.Contact arm component, such as contact arm top can especially be arranged in another contact arm component in hinge area, for example contact
In arm lower part, the movement of scissor-shaped has thus been simply implemented.
The recess for accommodating contact element on the contact arm top can be designed along the longitudinal axis on contact arm top
For strip, it is especially designed as the form in gap.Contact element can be simply arranged and secured in the gap.Strip
Design can be realized arrangement strip contact element, especially have biggish contact surface and/or rectangular contact face, with realize
Such as the good contact performance in contact relative motion.
The corresponding recess on contact arm top can be designed as angle in profiled bars, especially with rounding and seamed edge
The form of slot in rectangle profiled bars.At least one contact element can be especially at least partially embedded in recess with T-shape,
It is mechanically and electrically contacted with profiled bars.Slot can be simple and inexpensively for example passes through milling, laser cutting, punching press
Manufacture.The contact element of T shape especially can form machine with the material on contact arm top in simple and mechanically stable ground insertion groove
Tool and electrical contact.Thus, it is possible to by the simple contact arm assembly constructed in a manner of low-cost with contact element,
There is good electric property for the contact between contact.The angle of rounding and seamed edge reduce or avoid corona phenomenon and
Voltage breakdown.
Alternately or supplement, the corresponding recess on contact arm top can be between at least two rectangle profiled bars
The form of gap is formed, and the rectangle profiled bars are fixed to each other by spacer element at each interval.Especially with the angle of rounding
It can be arranged with the rectangle profiled bars of seamed edge with compartment of terrain.At least one contact element can especially with T-shape at least partly
Ground is embedded in the recess between profiled bars, is mechanically and electrically contacted with profiled bars.It can be simple by the profiled bars at interval
And inexpensively form gap or the recess for contact element.It is possible thereby to as previously mentioned with simple and cost
Cheap mode constructs the contact arm assembly with contact element, has good electrical resistance for the contact between contact
Energy.The angle of the rounding of rectangle profiled bars and seamed edge reduce or avoid corona phenomenon and voltage breakdown.
Contacting arm assembly may include at least one fixed contact, in the closed form of the current path of high-tension switch gear
It is electrically contacted under state at least two contact arms.Fixed contact simply and can be realized inexpensively.Alternatively may be used
To use mobile contact, move towards the direction on contact arm top to be closed contact site.
Contacting arm assembly may include that two contact arms pair for being respectively provided with two contact arms, especially two are parallel to each other
The contact arm pair of arrangement, the contact arm to by least one connecting element, especially by the region for being arranged in hinge
Connecting element mutually mechanically connect.The structure forms contact that is mechanically stable, can inexpensively manufacturing
Arm assembly, the contact arm assembly can especially be used according to the form of pantograph, and contacted arm assembly and passed through two contacts
Arm and when establishing and keeping electrical contact reliability with higher, pass through especially a total of four contact arm electricity with higher
Flow bearing capacity.
In the contact arm assembly as previously described with contact arm, without height under the on-state of high-tension switch gear
Form to loss good electrical contact, especially the T shape contact element of removable contact arm and especially cylindrical tube accordingly
The fixed contact of shape forms contact electrically and mechanically.
When contact arm especially moves on fixed contact in a short-circuit situation and/or when there is wind and/or in ice load
When, contact arm can roll on fixed contact, wherein contact surface between fixed contact and the contact element of T shape, especially
Surface on the upside of the binding piece of the contact element of T shape is continuously available electrical contact, contact arm and fixation by its rounding
Effective contact area between contact remains unchanged.
The application according to the invention of aforementioned contact arm assembly includes that the contact arm assembly is used in pantograph form
In high-tension switch gear.Pantograph can be by good to be formed by clamping of at least one contact between opposite contact
Contact, it is described contact be it is mechanically and electrically stable, have less electrical loss.The scissors-like motion of the contact of pantograph
It can simply, with less driving energy, in the non-sticking situation of contact be reliably achieved, this is in high-tension switch gear
On-state under realize high reliability and low electrical loss.
High-tension switch gear can be included in high-voltage fence and/or be connected electrically on high-voltage fence, especially have
There is working voltage to be in the high-voltage fence of the voltage of 1000V or more.Aforementioned advantages especially energetically appear in high-voltage fence.
According to the aforementioned contact arm assembly of claim 10 application according to the invention the advantages of be similar to according to right
It is required that aforementioned advantages of the 1 contact arm assembly for high-tension switch gear and vice versa.
Schematically show the embodiment of the present invention into Fig. 7 in Fig. 1 below and detailed below.In attached drawing
In:
Fig. 1 is schematically shown ... in a side view the high-tension switch gear 1 of pantograph form, connects with according to the invention
Contact arm device 2, and
Fig. 2 illustrates in greater detail the contact arm assembly 2 of Fig. 1, two contact arms 7 with a contact arm pair, described
Contact arm respectively includes the contact arm top 8 connected by hinge 10 and contact arm lower part 9, and
Fig. 3 shows the contact arm pair of two parallel contact arms 7 with Fig. 2, they are connected by 11 rigidity of connecting element
It connects, and
Fig. 4 shows the first embodiment on contact arm top 8, with slot 12 as the recess for being used for contact element, and
Fig. 5 shows the second embodiment on contact arm top 8, has the recess for contact element, and the recess passes through
Spacer element 15 is designed at intervals between two profiled bars 13, and
Fig. 6 shows the contact arm top 8 according to Fig. 4, and contact element 17 is disposed in the slot 12 as recess, and
Fig. 7 shows the contact arm top 8 according to Fig. 5, is disposed with contact in the recess between two profiled bars 13
Element 17.
The high-tension switch gear 1 of the pantograph form as open side type disconnecting switch is shown in FIG. 1.High voltage isolator
1 has contact arm assembly 2 according to the invention, is arranged on the bearing frame device 5 with insulator 4.Open side type every
It leaves in the illustrated embodiment of pass, the band of pantograph form is disposed on the bearing frame device 5 designed similar to support foot
There is the contact arm assembly 2 of contact arm 7, under the closed state of the current path of high-tension switch gear 1 and is designed as fixing touching
The opposite contact 3 of head electrically and especially mechanically contacts.Current path, the current path for example in high-voltage fence are logical
It crosses high-tension switch gear 1 closely to show, there is electrical contact between fixed contact 3 and contact arm 7.The state of disconnection passes through void
Line is shown, shows the motion profile of contact arm 7 by a dotted line, wherein the current path between fixed contact 3 and contact arm 7
It interrupts.
The movement of contact arm 7 or the switching between the off-state and closed state of high-tension switch gear 1, which pass through, holds
The driver 6 carried on frame mounting 5 drivingly carries out.Movement is for example exhausted with such as element for example, by kinetic chain from driver 6
Axis in edge body 4 or insulator 4 is transferred to contact arm assembly 2.Driver 6 for example can be motor, especially motor or
Person's spring-type drive.Kinetic chain may include the elements such as transmission mechanism, deflecting roller and/or axis.
The contact arm assembly 2 of Fig. 1 is illustrated in greater detail with side view in Fig. 2, the plane of movement of contact arm 7 is in attached drawing
In plane.
Shown in two contact arms 7 of contact arm pair respectively include through 8 He of contact arm top interconnected of hinge 10
Contact arm lower part 9.Two contact arms 7 of contact arm pair are conjointly movably supported by hinge 10.Hinge 10 realizes fortune
Dynamic, in the movement, contact arm top 8 is pressed off above the hinge 10 in upper area, between two contact arms in height
It moves toward one another when closing the current path closure of equipment 1, and is moved away from each other when current path disconnects.Contact arm 7 is logical
The hinge 10 crossed between two contact arms 7 forms a kind of scissors, and in current path closure, opposite contact 3 is mechanically pressed from both sides
Tightly between the leg of the scissors.Opposite contact 3 is in order to simply without being shown in FIG. 2.
The contact arm top 8 and contact arm lower part 9 of contact arm 7 are movably connected with each other respectively by hinge 10.Due to
Two contact arm tops 8 pass through the connection of hinge 10 to two contact arms 7 in other words, wherein hinge 10, i.e. respectively will be under contact arm
Portion 9 and contact arm top 8 cause to be cut by what contact arm top 8 was formed in the movement of end hinge 10 interconnected away from each other
Son is opened.Here, the hinge 10 for connecting two contact arms 7, two contact arm top 8 in other words moves downward.In this position
It sets, current path is disconnected by high-tension switch gear 1.
The rotation that the movement of contact arm 7 surrounds the axis of the figure plane perpendicular to Fig. 2 by contact arm lower part 9 respectively is real
It is existing, wherein rotary shaft is arranged in the end of corresponding contact arm lower part 9, and the end has hinge 10 with contact arm lower part 9
End it is opposite.Rotary motion of the contact arm lower part 9 around its lower end transmits ground in fact via kinetic chain by driver 6
It is existing.For turn-off current path, contact arm lower part 9 rotates away from each other in opposite direction, that is, the contact arm on right side
Lower part 9 is along clockwise direction and the contact arm lower part 9 in left side is rotated in the counterclockwise direction.For closed path path, contact
Arm lower part 9 rotates opposite to each other in opposite direction, that is, right side contact arm lower part 9 in the counterclockwise direction and left side connects
Contact arm lower part 9 is rotated in a clockwise direction.
Similar to pantograph, two contact arm lower parts 9 surround the axis for being respectively at the end of contact arm lower part 9
Rotary motion effect is so that contact arm top 8 moves.With the hinge 10 that contact arm lower part 9 is connected with contact arm top 8
The lower end and upper end that the movement away from each other of the contact arm lower part 9 of movement and progress makes contact arm top 8 are away from each other
Ground movement.Scissors is opened in other words with the contact of opposite contact 3 and current path is interrupted.Here, by two contact arms 7
The hinge 10 interconnected of contact arm top 8 move downward.The end on contact arm top 8 moves downward and two contact arms
The end that can move freely of lower part 9 moves downward respectively.The end of contact arm lower part 9 is relative to bearing frame locating for rotary shaft
The position of rack device 5 or height are constant respectively.
The contact arm lower part 9 carried out with the movement for the hinge 10 that contact arm lower part 9 is connected with contact arm top 8
The lower end for making contact arm top 8 and upper end is moved toward one another equally to move toward one another respectively.Scissors in other words with opposite contact 3
Contact is closed and current path is closed, that is, opposite contact 3 is conductively clamped in the upper end on contact arm top 8
Between.Here, the hinge 10 interconnected of contact arm top 8 of two contact arms 7 is moved upwards.The end on contact arm top 8
Portion moves upwards and the end that can move freely of two contact arm lower parts 9 moves upwards respectively.Contact locating for rotary shaft
The end of arm lower part 9 is constant respectively relative to the position of bearing frame device 5 or height.
Contact arm top 8 can have bending part as illustrated in fig. 2.The upper end on contact arm top 8 is curved opposite to each other as a result,
It is bent.When contact or current path are closed, opposite contact 3 is clamped between the upper end on contact arm top 8, is contacted later
The lower end on arm top 8 or the upper end of contact arm lower part 9 or respectively by contact arm top 8 and lower part 9 movably phase
10 phase of hinge touching even.It is possible thereby to the good clamping of opposite contact 3 be realized, without the contact arm top when clamping
8 or contact arm lower part 9 respectively its end touching or connection hinge 10 touching and thus hinder clamp.Contact
The hook-shape structure of the upper end on arm top 8 being mutually directed toward can reduce the freedom of motion of contact arm 7 in the clamp state.
Thus the closed state of high-tension switch gear 1 can be for example preferably kept in the influence of such as windy day or short circuit.
The contact arm pair of two parallel contact arms 7 with Fig. 2 is shown in FIG. 3, they are rigid by connecting element 11
Connect to property.Connecting element 11 is for example arranged in contact perpendicular to the figure plane of Fig. 2 in the form of axis or bar in Fig. 3
Between arm pair.Connecting element 11 is arranged at hinge 10 and respectively by two corresponding hinge of opposed contact arm pair
10 are connected with each other.Three 11 length of connecting element are identical, thus make contact arm to arranging in parallel to each other.The opposite contact of tubulose
3 are parallel to the longitudinal axis arrangement of connecting element 11 with its longitudinal axis.In order to simple, opposite contact 3 is not drawn in Fig. 3.
The contact arm assembly of Fig. 3 has two contact arms pair being arranged parallel according to Fig. 2, and the contact arm is to tool
There is contact arm 7, the contact arm assembly is realized with lower electrical loss compared to only by a contact arm to the opposite touching of clamping
The clamping improved when first 3.Under the closed state of high-tension switch gear 1, in the contact arm 7 and opposite in other words of contact arm top 8
Four contacts site are formed between contact 3.By four contacts site, with compared to only using two of a contact arm clock synchronization
Smaller resistance or less loss realize electric current flowing in the case where contact site, and more reliable and machinery is more stable
Ground realizes clamping.
Be shown in FIG. 4 in figs. 1 to 3 shown in contact arm 7 contact arm top 8 upper end.Dotted line 16 indicates
Aforementioned bending axis in contact arm top 8 bending part in other words.Strip recess in contact arm top 8 is by along on contact arm
The formation of strip slot 12 of the longitudinal axis in portion 8.The slot 12 can be designed across the entire cross section or only on contact arm top 8
It designs in the surface region for being no more than certain depth, such as in the range of several centimetres in contact arm top 8.
The alternative embodiment on contact arm top 8 shown in Fig. 4 is shown in FIG. 5.What recess was arranged parallel at two
It is formed between profiled bars 13 by the spacer element 15 between the profiled bars 13.The distance between profiled bars 13 or interval member
The width of part 15 obtains the width of recess, and the mutual distance of spacer element 15 has obtained recess along contact arm top 8
The length of longitudinal axis.Spacer element 15 for example by bolt and/or welding and/or soldering and/or can be adhesively fixed on contact
In two profiled bars 13 on arm top 8.The spacer element is along the longitudinal axis on profiled bars 13 or contact arm top 8 by two
Profiled bars 13 are maintained at each other in especially constant distance.Fixing element 14 can be along profiled bars 13 or contact arm top
8 longitudinal axis arrangement, to be especially connected with each other the mechanically stable ground of two profiled bars 13 and electrically.Contact arm lower part
9 can be similar to 8 ground of contact arm top is made of two profiled bars 13 with fixing element 14 and/or spacer element 15.
The contact arm top 8 according to Fig. 4 is shown in section view in Fig. 6, contact element 17 is arranged in the slot as recess
In 12.
Contact arm top 8 is designed in the embodiment in fig 6 has rectangular cross section, and the contact arm top 8 has profile
Bar 13 and the contact element 17 spatially and conductively being connect with profiled bars 13.Profiled bars 13 with wall 20 are internal empty
The heart, and be designed as it is rod-shaped, have perpendicular to bar longitudinal axis rectangular cross section.The seamed edge of profiled bars 13 is rounding, with
Prevent the over-voltage at angle and seamed edge.It is to be disposed therethrough the wall 20 on the upside of profiled bars 13 in Fig. 6 on side
Slot or perforative recess.It is described groovely along the longitudinal axis design of profiled bars 13 and by the inner space of profiled bars 13
It is connect with exterior space.
Contact element 17 is arranged in or shape-ordinatedly in embedded groove.Contact element 17 is designed as strip, that is, long
Extend to bar shaped, especially internal is not hollow.Contact element 17 has T-shape in cross-section and is similar to track
Ground design.Hole is arranged on vertical plane 19 with extending laterally through contact element 17, in the side of the hole and profiled bars 13
Hole it is corresponding.Bolt 14 and/or pin are with being directed through the hole by contact element 17 is mechanically stable and/or well conducting
Ground is fixed in profiled bars 13.In order to realize that mechanical stability and better conductive capability, the spacer element 21 of raising can edges
Fixing element 14 in the interior zone of profiled bars 13 be inserted into profiled bars wall 20 and contact surface 19 between.
Profiled bars 13 can be by copper and/or made of aluminum.Contact element 17 is for good electric conductivity and good electricity
Contact can be made of copper and by profiled bars 13 it is mechanically stablely fixed.The structure shown in describes contact arm top
8, with mechanical stability with higher and good electrical contact in the fixed contact in other words contact of opposite contact 3
Energy.The contact arm lower part 9 of contact arm 7 can be similar to 8 ground of contact arm top and construct, and not have slot 12 and/or contact element only
Part 17.
The contact arm top 8 according to Fig. 5 is shown in section view in Fig. 7, contact element 17 is arranged in two profiled bars 13
Between recess in.
The contact arm top 9 of Fig. 7 does not have the profiled bars 13 as shown in FIG. 6 with rectangular cross section, and there are two having
The profiled bars 13 with oval cross-section being arranged parallel.The oval cross-section or wall 20 of profiled bars 13 are flat by two
, parallel side and two semicircles with radius r form, the side passes through the connection sheet 18 perpendicular to side in centre
It mutually mechanically connects, the connection sheet extends along the length of profiled bars 13, and the semicircle is respectively by the opposite end of plane
It is parallel to the interconnection of 18 ground of connection sheet.
Two profiled bars 13 spaced reciprocally, be arranged parallel to each other, thus between profiled bars 13 formed gap or
Recess.Similar with the contact 17 in the slot in Fig. 6, the contact 17 of T shape is arranged in the gap.It is fixing element 14, outstanding
It is bolt, rivet and/or pin can be used for profiled bars 13 to each other and with contact 17 it is mechanically stable connect.Tool
There is the bolt 14 of nut can as illustrated in fig. 7 will via the outside of outside two profiled bars 13 in other words on contact arm top 8
Contact arm top 8 keeps together and/or presses together.Alternatively or alternately, the bolt 14 with nut can be made
With on the inner surface of profiled bars 13, so that by contact arm, profiled bars 13 and contact keep together and/or squeeze in other words
Together.
It can be especially in fixing element with the spacer element 15 with the identical thickness in lower area of contact element 17
It is arranged in 14 region between profiled bars 13.Since contact element 17 is arranged in profiled bars in the upper area of profiled bars 13
Between 13, and spacer element 15 is being arranged between profiled bars 13 in the lower area of profiled bars 13, so contact arm top 8
Two profiled bars 13 be stationary relative to one another in parallel.The contact arm lower part 9 of contact arm 7 can be similar to 8 ground of contact arm top
Construction does not have contact element 17 only, and contact element 17 is replaced to have interval member in the upper area of profiled bars 13
Part 15.
The embodiment described before can be combined with each other and/or combine with the prior art.Therefore, contact arm 7 for example may be used
So as to be used in different types of high-tension switch gear 1.Can be used for example the especially disconnecting switch of pantograph form or
Grounding device.Replace open side type high voltage isolator 1 also can be used with it is multiple, be especially moveable the high-voltage switch gear of column and set
Standby 1.High-tension switch gear 1 can be used for the one or more phases in power grid.
Profiled bars 13 can have different shapes.Profiled bars 13 can for example be designed as having as illustrated in fig. 6 as a result,
The rectangle of rounding seamed edge, design has one or more joint-cuttings, and perhaps slot or profiled bars 13 for example can be as illustrated in fig. 7
Be designed as it is oval, between multiple profiled bars 13 design have one or more recesses.One or there is one to connect respectively
Touching element 17 can be arranged in the recess.The profiled bars 13 of two or more can arrange especially in parallel to each other, such as
Shown in Fig. 7, and contact element 17 or multiple contact elements 17 can be arranged in or are arranged between profiled bars 13.
Here, profiled bars 13 can have such as rectangle, oval and/or oval cross section.All profiled bars 13 can be distinguished
Cross section having the same or different cross sections are designed, especially there is different shapes.Also it can be used Fig. 6's and Fig. 7
The combination of embodiment, wherein contact element 17 is arranged between profiled bars 13 or in the recess of corresponding profiled bars 13.
Two, four or more contact arms 7 can be used for contact arm assembly 2.The contact arm can be mutual
It arranges in parallel and/or angularly.Contact arm top 8 and contact arm lower part 9 for example can have shape as shown in FIG. 6,
Perhaps the combination with shape or the shape as shown in Figure 7.It can be arranged between contact arm 7 conductive or not
Conductive connecting element 11.As shown in figure 3, it is less or more that five connecting elements 11 or usage quantity can be used
Connecting element 11.Hinge 10 may include axis and/or bearing and be used for the add ons of electric current transmitting when necessary, they are by conduction
Good material, such as copper or aluminium are made.
Contact element 17 and profiled bars 13 can not be connected with each other by bolt 14, rivet or pin, but for example logical
It crosses welding or bonding is connected with each other.Connecting element 14 and/or profiled bars 13 can be it is coating, for example silver-plated, with realize more
Good electric conductivity.Contact surface between the component or element of contact arm 7 especially can be coating.Profiled bars 13 and/or
Contact element 17 can by a kind of material, especially well conducting material such as copper or mechanically stable material such as steel or
Aluminium manufacture, and/or can have different material and/or alloy.
List of numerals
1 high-tension switch gear
2 contact arm assemblies
3 opposite contacts
4 insulators
5 bearing frame devices
6 drivers
7 contact arms
8 contact arm tops
9 contact arm lower parts
10 hinges
11 connecting elements
12 slots
13 profiled bars
14 fixing elements
15 spacer elements
16 bending axis
17 contact elements
18 connection sheets
The contact surface of 19 contact elements
The wall of 20 profiled bars
21 spacer elements
Claims (11)
1. one kind is used for the contact arm assembly (2) of high-tension switch gear (1), have at least two contact arms (7), the contact arm
It can arrange with moving relative to each other in couples and by least one hinge (10), and the contact arm respectively includes contacting
Arm top (8) and contact arm lower part (9), which is characterized in that the contact arm top (8) is respectively provided at least one and is designed for
Accommodate the recess of contact element (17).
2. contact arm assembly (2) according to claim 1, which is characterized in that the high-tension switch gear (1) is high_voltage isolation
Switch, the especially disconnecting switch of pantograph form or the high-tension switch gear (1) is high voltage ground switch, especially
The earthing switch of pantograph form and/or the high-tension switch gear (1) are designed as the form of single-column switchgear.
3. contact arm assembly (2) as described in claim 1 or 2, which is characterized in that including some contact arms (7), the contact
The quantity of arm is related to the parameter of power grid being connected on high-tension switch gear (1), especially electric with running current and/or short circuit
Stream is related.
4. by the contact arm assembly (2) described in one of claims 1 to 3, which is characterized in that the contact arm lower part (9) and/or
Contact arm top (8) includes at least two profiled bars (13), and the profiled bars connect particularly by spacer element (15) mutually rigidity
It connects.
5. by contact arm assembly (2) described in one of Claims 1-4, which is characterized in that the use of the contact arm top (8)
It is designed as strip along the longitudinal axis of contact arm top (8) in the recess for accommodating contact element (17), is especially designed as gap
Form.
6. by the contact arm assembly (2) described in one of claim 1 to 5, which is characterized in that contact arm top (8) it is corresponding
Recess is designed as the shape of the slot (12) in the rectangle profiled bars of angle in profiled bars (13), especially with rounding and seamed edge
Formula and/or at least one contact element (17) are especially at least partially embedded in recess (12) with T-shape, with profiled bars
(13) it mechanically and electrically contacts.
7. by the contact arm assembly (2) described in one of claim 1 to 5, which is characterized in that contact arm top (8) it is corresponding
Recess is formed in the form of the gap between at least two rectangle profiled bars (13), and the rectangle profiled bars pass through at each interval
Spacer element (15) is fixed to each other, especially the rectangle profiled bars (13) at the angle with rounding and seamed edge, and/or wherein, at least
One contact element (17) is especially at least partially embedded in the recess between profiled bars (13) with T-shape, with profiled bars
(13) it mechanically and electrically contacts.
8. by contact arm assembly (2) described in one of claim 1 to 7, which is characterized in that including at least one opposite contact
(3), especially fixed contact, the opposite direction contact is under the closed state of the current path of high-tension switch gear at least two
Contact arm (7) electrical contact.
9. by contact arm assembly (2) described in one of claim 1 to 8, which is characterized in that be respectively provided with two including two and connect
The contact arm pair of contact arm (7), especially two contact arms pair being arranged parallel, the contact arm connect to by least one
It connects element (11), mutually mechanically connected especially by the connecting element (11) in the region for being arranged in hinge (10).
10. a kind of application by contact arm assembly (2) described in one of claim 1 to 9, which is characterized in that the contact arm
Device (2) is using in the high-tension switch gear (1) of pantograph form.
11. the application of contact arm assembly (2) as described in claim 10, which is characterized in that high-tension switch gear (1) included
It in high-voltage fence and/or is connected electrically on high-voltage fence, especially there is working voltage to be in the range of 1000V or more
Voltage high-voltage fence.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102016214377.8A DE102016214377B4 (en) | 2016-08-03 | 2016-08-03 | Contact arm arrangement for a high-voltage switching device and its use |
| DE102016214377.8 | 2016-08-03 | ||
| PCT/EP2017/067006 WO2018024437A1 (en) | 2016-08-03 | 2017-07-06 | Contact arm assembly for a high-voltage switchgear, and use thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109643617A true CN109643617A (en) | 2019-04-16 |
| CN109643617B CN109643617B (en) | 2020-09-25 |
Family
ID=59350902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780047869.3A Active CN109643617B (en) | 2016-08-03 | 2017-07-06 | Contact arm device for high-voltage switchgear and use thereof |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3469613B1 (en) |
| CN (1) | CN109643617B (en) |
| BR (1) | BR112019001279A2 (en) |
| DE (1) | DE102016214377B4 (en) |
| PL (1) | PL3469613T3 (en) |
| WO (1) | WO2018024437A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002590A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1901689A (en) * | 1931-05-04 | 1933-03-14 | Delta Star Electric Co | Switch |
| US3388225A (en) * | 1966-09-29 | 1968-06-11 | Ite Circuit Breaker Ltd | Jaw for ice breaking switch |
| GB1154477A (en) * | 1965-10-15 | 1969-06-11 | Asea Ab | Improvements in Electrical Isolating Switches of the Pantograph kind |
| DE3235380A1 (en) * | 1982-09-24 | 1984-03-29 | Ruhrtal Elektrizitätsgesellschaft Hartig GmbH & Co, 4300 Essen | Mating contact for isolating switches |
| CN1261957C (en) * | 2001-01-12 | 2006-06-28 | 阿勒瓦T&D股份有限公司 | Air insualtion high voltage breaker |
| CN2938357Y (en) * | 2006-08-24 | 2007-08-22 | 周新辉 | Bulging type static contact device of high voltage earthed switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4564731A (en) * | 1982-03-17 | 1986-01-14 | Ruhrtal-Elektrizitatsgesellschaft Hartig Gmbh & Co. | Scissor-type disconnect switch with contact elements having wear-resistant armatures |
| DE3231170A1 (en) | 1982-08-21 | 1984-02-23 | Brown, Boveri & Cie Ag, 6800 Mannheim | SCISSOR DISCONNECTOR |
-
2016
- 2016-08-03 DE DE102016214377.8A patent/DE102016214377B4/en not_active Expired - Fee Related
-
2017
- 2017-07-06 WO PCT/EP2017/067006 patent/WO2018024437A1/en unknown
- 2017-07-06 EP EP17739933.4A patent/EP3469613B1/en active Active
- 2017-07-06 CN CN201780047869.3A patent/CN109643617B/en active Active
- 2017-07-06 BR BR112019001279A patent/BR112019001279A2/en active Search and Examination
- 2017-07-06 PL PL17739933T patent/PL3469613T3/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1901689A (en) * | 1931-05-04 | 1933-03-14 | Delta Star Electric Co | Switch |
| GB1154477A (en) * | 1965-10-15 | 1969-06-11 | Asea Ab | Improvements in Electrical Isolating Switches of the Pantograph kind |
| US3388225A (en) * | 1966-09-29 | 1968-06-11 | Ite Circuit Breaker Ltd | Jaw for ice breaking switch |
| DE3235380A1 (en) * | 1982-09-24 | 1984-03-29 | Ruhrtal Elektrizitätsgesellschaft Hartig GmbH & Co, 4300 Essen | Mating contact for isolating switches |
| CN1261957C (en) * | 2001-01-12 | 2006-06-28 | 阿勒瓦T&D股份有限公司 | Air insualtion high voltage breaker |
| CN2938357Y (en) * | 2006-08-24 | 2007-08-22 | 周新辉 | Bulging type static contact device of high voltage earthed switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112002590A (en) * | 2020-08-17 | 2020-11-27 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
| CN112002590B (en) * | 2020-08-17 | 2022-10-28 | 赫兹曼电力（广东）有限公司 | Energy storage driving device and three-station operating mechanism applying same |
Also Published As
| Publication number | Publication date |
|---|---|
| PL3469613T3 (en) | 2021-08-23 |
| DE102016214377B4 (en) | 2018-10-25 |
| CN109643617B (en) | 2020-09-25 |
| DE102016214377A1 (en) | 2018-02-08 |
| EP3469613A1 (en) | 2019-04-17 |
| EP3469613B1 (en) | 2021-03-03 |
| WO2018024437A1 (en) | 2018-02-08 |
| BR112019001279A2 (en) | 2019-04-30 |
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| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20211208 Address after: Munich, Germany Patentee after: Siemens energy Global Ltd. Address before: Munich, Germany Patentee before: SIEMENS AG |