CN208637321U - Contact unit and corresponding high-voltage switch component for high-voltage switch component - Google Patents

Contact unit and corresponding high-voltage switch component for high-voltage switch component Download PDF

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Publication number
CN208637321U
CN208637321U CN201821368083.XU CN201821368083U CN208637321U CN 208637321 U CN208637321 U CN 208637321U CN 201821368083 U CN201821368083 U CN 201821368083U CN 208637321 U CN208637321 U CN 208637321U
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contact
component
moving contact
static
moving
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陈锐
吕占刚
张建
刘璿
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Hitachi Energy Co ltd
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ABB Technology AG
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Abstract

Embodiment of the disclosure provides a kind of contact unit for high-voltage switch component and corresponding high-voltage switch component.The contact unit includes: static contact component, including static contact;And moving contact component, it is arranged on the lever arm of switch block with the movement with lever arm and is moved between on-position and open position, and including moving contact, moving contact includes multiple elastic conducting strips circumferentially, multiple elastic conducting strips are integrally formed structures, when moving contact component is in on-position, static contact is suitable for being coaxially inserted into moving contact to contact with multiple elastic conducting strips, to connect switch block, when moving contact component is in open position, static contact is separated with moving contact.According to the contact unit of the embodiment of the present disclosure, it ensure that the reliability contacted between dynamic and static contact and improve the dynamic of switch block, thermal stability.Contact unit can also include the fixed contact pedestal and guide cylinder with rain and snow function, and dynamic and static contact can be prevented by the invasion of sleet etc..

Description

Contact unit and corresponding high-voltage switch component for high-voltage switch component
Technical field
Embodiment of the disclosure relates generally to switch block, and more particularly, to for high-voltage switch component Contact unit.
Background technique
High-voltage switch component, which is for general in mesohigh equipment, connects or disconnects circuit, can generally bear bigger Circuit and voltage.When for example needing that middle high-tension apparatus is repaired or safeguarded, it usually needs such as earthing switch Switch block connects earth-return circuit, thus when guaranteeing to repair or safeguard personnel safety.Existing such as earthing switch The earthing switch closing operation of high-voltage switch component be by lever arm drive moving contact move and be inserted into static contact come It completes to close a floodgate.The switch contact structure of the high-voltage switch component of traditional such as earthing switch is pressed in by copper sheet by spring pressure On the static contact of monolithic.
Utility model content
In traditional solution, the structure of contact terminal globality using common pressure spring structure is poor, and electric property can not It leans on and operating force is big.If excessive be also open of short circuit current and risk that moment disconnects in making process.This is tight Important place affects the reliability and safety of mesohigh equipment.In addition, for some high-voltage switch components, especially open air makes High-voltage switch component, static contact and moving contact have not been used to the shield of rain and snow.Is there is sleet etc. extremely in this When weather, static contact and moving contact are easy icing or water, to cause security risk.
In order to solve the problems, such as or at least partly solve that above-mentioned and other are potential, embodiment of the disclosure provides one Kind is used for the contact unit and corresponding high-voltage switch component of high-voltage switch component, to be embodied as mesohigh component peace Complete reliable electrical connection or grounding connection.
In the disclosure in a first aspect, providing a kind of contact unit for high-voltage switch component.The contact unit It include: static contact component, including static contact;And moving contact component, it is arranged on the lever arm of switch block with lever arm Movement and moved between on-position and open position, and including moving contact, moving contact includes circumferentially more A elastic conducting strip, multiple elastic conducting strips are integrally formed structures, wherein when moving contact component is in on-position, it is quiet Contact is suitable for being coaxially inserted into moving contact to contact with multiple elastic conducting strips, to connect switch block, and wherein When moving contact component is in open position, static contact is separated with moving contact.
Contact unit according to an embodiment of the present disclosure, moving contact include multiple elastic conducting strips circumferentially, are made It obtains during static contact is inserted into moving contact, can be contacted with the inner surface of multiple elastic conducting strips, to ensure that dynamic The reliability contacted between contact and static contact.In addition, be recessed contact according to the moving contact of the embodiment of the present disclosure, and static contact is Convex contact, this design can further increase the dynamic of switch block, thermal stability.In addition, according to the embodiment of the present disclosure Multiple elastic conducting strips are integrally formed structures, and this aspect makes the structure of moving contact more firm, are on the other hand made Assembly is easier, reduces assembly cost.
In some embodiments, the internal diameter of moving contact is less than the outer diameter of static contact, and in static contact adjacent to moving contact Free end is formed with chamfering and is suitable for being inserted into moving contact.By the arrangement, static contact is inserted more easily into In moving contact, and the internal diameter of moving contact can make to keep being in close contact between contact less than the outer diameter of static contact.
In some embodiments, moving contact component further include: annular groove is formed in multiple elastic conductings along the circumferential direction of moving contact The outer surface of electric piece;And the ring elastic parts in annular groove are arranged in, for generating elasticity when static contact is inserted into moving contact Power is to prevent elastic conducting strip excessive deformation.By this method, ring elastic parts can be further when static contact is inserted into moving contact Elastic force is generated to further ensure that the connection reliability between static contact and moving contact.
In some embodiments, moving contact component further include: annular protrusion is formed in multiple elasticity along the circumferential direction of moving contact The inner surface of conductive sheet, and contacted with static contact.By this method, annular protrusion can be after static contact is inserted into moving contact and dynamic Contact, so as to avoid because phenomena such as poor contact, further ensuring electrical connection caused by the factors such as mismachining tolerance Reliability.
In some embodiments, static contact component further includes the fixed contact pedestal with rain and snow function, at least partly Receive static contact in ground.In this manner it is possible to being effectively prevented from sleet etc. corrodes static contact, guarantee the contact performance of static contact not by It influences.
In some embodiments, static contact component further includes the stopper section axially protruded from the open end of fixed contact pedestal, The moving contact component moved for backstop with lever arm.In this manner it is possible to the mistake for preventing moving contact component from moving with lever arm Due to beat caused by the factors such as inertia in journey, guarantee that moving contact component can move to position appropriate so that static contact is inserted Enter.
In some embodiments, fixed contact pedestal is cylindrical, and static contact component further includes from stopper section along fixed contact pedestal Tangential direction extend pairs of guide part, for guiding moving contact component to move with lever arm.By this arrangement, even if Under the mal-conditions such as strong wind, moving contact component can also be moved in fixed contact pedestal.
In some embodiments, static contact component further includes bolster, is arranged in the neighbouring stationary contact of guide part and stopper section The side of head is deformed when moving contact component and fixed contact pedestal contact to provide buffering.By the setting, dynamic touching is avoided The head assembly rigid collision between fixed contact pedestal during the motion avoids noise and due to fastening caused by collision Part loosening etc..
In some embodiments, static contact is hollow, and static contact component further includes being coaxially disposed in static contact Mounting rod in seat, static contact are set on mounting rod.In this manner it is possible to further save cost and guarantee static contact component Connection reliability.
In some embodiments, it is formed with mounting hole on fixed contact pedestal, is passed through for fastener so that static contact to be assembled to In fixed contact pedestal.In this manner it is possible to reduce the assembly difficulty of static contact component, assembly efficiency is improved.
In some embodiments, moving contact further includes the coupling part being integrally formed with multiple elastic conducting strips, wherein dynamic touching Head is coupled to lever arm via coupling part.By this arrangement, static contact is more easily assembled, improves assembly Efficiency reduces assembly cost.
In some embodiments, moving contact component further includes the guide cylinder with rain and snow function, is arranged in lever arm End is to be at least partially accommodated moving contact.On the one hand guide cylinder can be provided with the movement of lever arm for moving contact component and be led To on the other hand, guide cylinder can also prevent sleet etc. from corroding moving contact, guarantee the reliability of moving contact.
The second aspect of the disclosure provides a kind of high-voltage switch equipment including above-mentioned contact unit.Using according to this Disclosed contact unit can reduce cost and keep high-voltage switch equipment relatively reliable.
By the way that the explanation of exemplary embodiment, the further feature of the disclosure will become aobvious and easy referring to the drawings See.It should be appreciated that utility model content part is not intended to the key or important feature of mark embodiment of the disclosure, also non-purport For limiting the scope of the present disclosure.The other feature of the disclosure will be easy to understand by description below.
Detailed description of the invention
Describe the exemplary embodiment of the disclosure, the above-mentioned purpose of the disclosure and other mesh in more detail in conjunction with the accompanying drawings , feature and advantage will be apparent, wherein in an exemplary embodiment of the disclosure, the identical usual table of appended drawing reference Show identical component.
Fig. 1 shows the static contact of switch block according to an embodiment of the present disclosure and moving contact is being in open position just View;
Fig. 2 shows the static contacts of switch block according to an embodiment of the present disclosure and moving contact to be in on-position just View;
Fig. 3 shows the moving contact component of switch block according to an embodiment of the present disclosure and the perspective view of lever arm;
Fig. 4 shows the perspective view of static contact component according to an embodiment of the present disclosure;
Fig. 5 shows the lateral sectional view of static contact component according to an embodiment of the present disclosure;And
Fig. 6 shows the top view of static contact component according to an embodiment of the present disclosure.
Through attached drawing, the same or similar element is indicated using the same or similar appended drawing reference.
Specific embodiment
The disclosure is described referring now to several example embodiments.It should be appreciated that these embodiments are only for making ability Field technique personnel better understood when and be achieved in the disclosure, rather than propose to the range of disclosed technique scheme any The purpose of limitation describes.
As it is used herein, term " includes " and its variant will be read as meaning " including but not limited to " open Term.Term "based" will be read as " at least based on part ".Term " one embodiment " and " embodiment " should be understood " at least one embodiment ".Term " another embodiment " is interpreted as " at least one other embodiment ".Term " first ", " the Two " etc. may refer to similar and different object.Other specific and implicit definition may be included below.Unless context In addition it explicitly points out, otherwise the definition of term is consistent throughout the specification.
The static contact and moving contact of the contact unit of traditional high-voltage switch component generally use pressure spring structure.Static contact Usually recessed contact, and moving contact is usually the convex contact being adapted for insertion into recessed contact.Connecing between static contact and moving contact Touch typically just has common compressed spring to generate.Under certain conditions, for example, Contact Short-Circuit High Current, having can The contact that can be will lead between dynamic/static contact is open.This has severely impacted moving contact and static contact or even entire switch block Connection reliability and safety.
In addition, for the contact unit of outdoor setting, in moving contact and the general exposed environment outdoors of static contact, be easy by To the boisterous erosion such as sleet strong wind, the connection reliability of contact unit is affected.Although the contact unit having at present has Additional rail structure is convenient to carry out deicing, but deicing effect is poor, cannot fully meet the requirement of security and reliability.
Embodiment of the disclosure provides a kind of contact unit for high-voltage switch component, to solve or at least portion Point ground solves the problems, such as the above-mentioned of conventional contact unit and other are potential.Some examples are described referring now to Fig. 1 to Fig. 6 Embodiment.
It generally, include static contact component 101 and moving contact component 102 according to the contact unit of the embodiment of the present disclosure 100. Fig. 1 shows the static contact component 101 of switch block according to an embodiment of the present disclosure and moving contact component 102 is in and disconnects position The front view set;Fig. 2 shows the front views that static contact component 101 and moving contact component 102 are in on-position.As schemed Show, static contact component 101 includes static contact 1011.As can be seen that static contact 1011 is convex contact, it is adapted for insertion into moving contact group In the moving contact 1021 of part 102.
Moving contact component 102 is arranged into the end of the lever arm 201 of high-voltage switch component by mode appropriate, with It is moved between at least two positions with lever arm 201.For the ease of discussing, which is referred to as on-position And open position.During moving contact component 102 moves to on-position from open position, lever arm 201 can rotate Or it translates and moves moving contact component 102 towards static contact component 101.By this method, it is in and connects in moving contact component 102 When logical position, static contact 1011 is inserted into moving contact 1021.
It include edge according to the moving contact 1021 of the contact unit 100 of the embodiment of the present disclosure different from traditional contact unit Multiple elastic conducting strips 1022 circumferentially, plurality of elastic conducting strip 1022 have integrally formed structure, such as Fig. 2 and Shown in Fig. 3.In contrast, each elastic conducting strip in traditional contact unit with elastic conducting strip is single portion Part, and be fastened in lever arm or fixed contact pedestal by fastener respectively.Compared to traditional contact unit, according to this public affairs The integrally formed multiple elastic conducting strips 1022 for opening embodiment, on the one hand make elastic conducting strip 1022 be not easy loosen or Deformation, improves the contact performance of moving contact 1021 and static contact 1011.On the other hand, integrally formed multiple elastic conducting strips 1022 simplify the assembling process of moving contact 1021 significantly, so that only needing once-through operation can be by moving contact 1021 securely It fastens on lever arm 201, this can reduce assembly cost in turn.
In addition, multiple elastic conducting strips 1022 are surrounded by similar to plum blossom shape.Dynamic touching is inserted into static contact 1011 In the case where first 1021, static contact 1011 can be contacted with these elastic conducting strips 1022, as shown in Figure 2.It ensure that stationary contact First 1011 can be kept in contact under any circumstance with the elastic conducting strip 1022 of moving contact 1021, to ensure that contact list The connection reliability of member 100.For example, even if elastic conducting strip 1022 can be tightly when strong wind or high current Ground surrounds and contacts static contact 1011.
It is also differ in that according to the contact unit 100 of the embodiment of the present disclosure with conventional contact unit, moving contact 1021 It is recessed contact and static contact 1011 is convex contact.This can effectively ensure that the dynamic of contact unit, thermal stability.Wherein dynamic stability It is the ability that can circuit and element bear maximum electrodynamic pow er when short circuit, thermostabilization, which refers to, measures circuit and element for example short-circuit In the very short time that electric current occurs, the ability of huge heat when short circuit can be born.
In order to further increase thermal stability, moving contact 1021 and static contact 1011 are generally made of copper, because copper has Preferable current capacity.It should be understood, however, that this is exemplary, it is no intended to limit the scope of the present disclosure. Contact 1021 and static contact 1011 can be made of any other material that can be conductive appropriate, such as aluminium or silver etc..
In some embodiments, the internal diameter of moving contact 1021 is less than the outer diameter of static contact 1011 and in 1011 neighbour of static contact The free end 1019 of nearly moving contact 1021 is formed with circular arc chamfering or ramp down angle.The presence of chamfering can be at free end 1019 It forms size reduction and is inserted into moving contact 1021 along the chamfering to be conducive to static contact 1011 as shown in Figure 2 and Figure 4 In.The larger outer diameter of static contact 1011 after being inserted into moving contact 1021 can be that elastic conducting strip 1022 is deformed.Elasticity Power caused by deforming can surround static contact 1011 tightly to ensure that between static contact 1011 and elastic conducting strip 1022 Connection reliability.
However, it is to be understood that for the ease of being inserted into and guaranteeing the electrical connection between contact, it is above-mentioned using different straight The internal-and external diameter of diameter and the mode of chamfering are only exemplary, it is no intended to limit the protection scope of the disclosure.It is any other suitable When structure or arrangement be all possible.For example, static contact 1011 can be formed as boring in some alternative embodiments Shape, the outer diameter of the miner diameter end of taper static contact can be less than the internal diameter of moving contact 1021, and the outer diameter of bigger diameter end can be greater than dynamic touching First 1021 internal diameter.By this method, guarantee the electrical connection between contact.
In order to further ensure static contact 1011 and moving contact 1021 can have preferable connection can under any circumstance By property, in some embodiments, along moving contact 1021 circumferential direction, multiple elastic conducting strips 1022 close to moving contact 1021 from By being formed with annular groove 1023 on the outer surface held.The annular groove 1023 can be used to accommodate ring elastic parts 1024, annular elastomeric Property part 1024 can be closely around multiple elastic conducting strips 1022.During static contact 1011 is inserted into moving contact 1021, Static contact 1011 makes elastic conducting strip 1022 generate expanding deformation.The expanding deformation can make the expansion of ring elastic parts 1024 to produce Raw elastic force.The elastic force is deformed ring elastic parts 1024 further, and ensure that static contact 1011 and elasticity Contact force between conductive sheet 1022.
In addition, enabling switch block to be suitable for various performance requirements different by using ring elastic parts 1024 Occasion, to improve the applicability of switch block.That is, user can also select different-stiffness according to the needs of application Ring elastic parts 1024.For example, selecting rigidity higher in the case where the electric current or relatively high voltage on switch block Ring elastic parts 1024.Wherein the rigidity of ring elastic parts refers to the ratio between load increment and incremental deformation, i.e. generation unit becomes Load needed for shape.The rigidity of selected ring elastic parts 1024 is higher, and provided contact force is higher, so that static contact 1011 and elastic conducting strip 1022 can more closely contact, thus switch block can be suitably used for switching current or voltage is higher Occasion.In the case where the electric current or relatively small voltage on switch block, user can choose the lower annular elastomeric of rigidity Property part 1024 does not select ring elastic parts 1024, to further reduce the cost.
It can keep close under any circumstance by this arrangement, between static contact 1011 and elastic conducting strip 1022 Contact, improve the reliability of contact unit 100 or even entire switch block.Ring elastic parts 1024 can be annular elastomeric Spring.But it is only exemplary, ring elastic parts 1024 can use any other component appropriate, such as O-ring etc..It should manage Solution, the embodiment of this set ring elastic parts 1024 are only exemplary, it is no intended to limit the protection model of the disclosure It encloses.Any other structure appropriate or arrangement are also possible.For example, can also pass through in some alternative embodiments Elastic conducting strip 1022 is thickeied to improve the connection reliability of static contact 1011 and elastic conducting strip 1022.Elastic conducting strip 1022 It can be coupled on lever arm 201 by mode appropriate.For example, in some embodiments, elastic conducting strip 1022 can lead to The inside crossed the coupling part 1027 being integrally formed and be coupled to lever arm 201.In order to ensure bonding strength, in coupling part 1027 Connector can be set in order to which coupling part 1027 to be fixed on to the inside of lever arm 201, as depicted in figs. 1 and 2 in portion.One In a little embodiments, the upward predetermined length of cutting axis can be carried out to tubular element in multiple positions circumferentially and form elastic conducting Electric piece 1022, uncut part form coupling part 1027.In some alternative embodiments, elastic conducting strip 1022 and coupling Portion 1027 can be integrally formed by way of molding etc..
In some embodiments, elastic conducting strip 1022 and coupling part 1027 can also use split type construction, i.e., integrally Molding multiple elastic conducting strips 1022 are connected on coupling part 1027 by fastening means appropriate.By elastic conducting strip 1022 Being at least partially disposed on the inside of lever arm 201 can prevent sleet from invading elastic conducting strip 1022 to a certain extent.Elasticity Conductive sheet 1022 can stretch out preset distance from lever arm 201.
In the outside of lever arm 201, guide cylinder 1026 can be set, as shown in Figure 3.Guide cylinder 1026 has rain and snow Function can at least partly receive the elastic conducting strip 1022 stretched out from lever arm 201.Guide cylinder 1026 being capable of anti-stop touching First 1021 invasion by sleet.For example, in some embodiments, when moving contact component 102 is in open position, lever arm 201 and moving contact component 102 be in horizontality, as shown in Figure 3.It can be seen from the figure that moving contact 1021 is located at guide cylinder Among 1206, so as to avoid the invasion of sleet etc..In addition, guide cylinder 1026 can have chamfering in opening, this side Face can provide guiding during being inserted into moving contact 1021 for static contact 1011.On the other hand, which can to move Contact 1021 is located at relative to opening more leans on inner position, further improves rain and snow performance.
In some embodiments, guide cylinder 1026 can be made of the material of the elasticity of rubber or silica gel etc., Buffering can be provided when guide cylinder 1026 contacts static contact component 101.Certainly, this is exemplary, it is no intended to limit The protection scope of the disclosure processed.Guide cylinder 1026 can also be made of plastic or other material.
In some embodiments, as shown in Figure 1, along the circumferential direction of moving contact 1021, in multiple elastic conducting strips 1022 Annular protrusion 1025 is formed on surface.Each section of annular protrusion 1025 is formed on each elastic conducting strip 1022.When quiet After contact 1011 is inserted into moving contact 1021, static contact 1011 can be kept in contact with annular protrusion 1025.It ensure that i.e. In the case where making that elastic conducting strip 1022 is deformed in due to mismachining tolerance or use process, static contact 1011 can It is kept in contact with the annular protrusion 1025 of elastic conducting strip 1022 in essentially identical position, which ensure that with moving contact 1021 Variation of the insertion without causing the contact force between moving contact 1021 and static contact 1011, further improve switch block Electrical connection stability.
In some embodiments, annular protrusion 1025 can be aligned radially with the annular groove 1023 of outside setting.? In these embodiments, annular protrusion 1025 and annular groove 1023 can be formed and carrying out punching press to elastic conducting strip 1022. That is, being formed simultaneously annular protrusion 1025 and annular and forming bending part in the appropriate location of elastic conducting strip 1022 Slot 1023.Certain this generation type is only exemplary, it is no intended to limit the protection scope of the disclosure.It is any other appropriate Mode be also possible.For example, in some embodiments, annular protrusion 1025 can by way of being locally thicker ring Shape slot 1023 can form different position in the radial direction by the thinning mode in part.In some embodiments, convex annular Playing 1025 can circumferentially be arranged by the salient point being formed on each elastic conducting strip 1022 and be formed.
The invasion of sleet etc. in order to prevent, in some embodiments, static contact 1011 can be at least partly received in In fixed contact pedestal 1012 with rain and snow function, as shown in Figure 4.In some embodiments, fixed contact pedestal 1012 is static contact 1011 provide the structural support, and static contact 1011 is vertically mounted in switch block.In this state, static contact Seat 1012 is opening down.Therefore, on the one hand, fixed contact pedestal 1012 can surround static contact 1011 wherein, be static contact 1011 provide the function of rain and snow.On the other hand, vertical state is moved to from horizontality with lever arm 201 in moving contact 1021 And in the case where being finally reached on-position, which can also be surrounded moving contact 1021 wherein, such as Fig. 2 institute Show, while providing the function of rain and snow for the static contact 1011 and moving contact 1021 of on-state.
In some embodiments, fixed contact pedestal 1012 can be cylindrical.But this is exemplary, and fixed contact pedestal 1012 can To use any other structure appropriate or shape.In some embodiments, static contact 1011 can be hollow, and The mounting rod 1017 for being arranged static contact 1011 is coaxially arranged in fixed contact pedestal 1012, as shown in Figures 4 to 6.With this Mode can effectively guarantee the bonding strength between static contact 1011 and fixed contact pedestal 1012.In addition, using hollow static contact 1011 can also further decrease material cost.
It is installed on mounting rod 1017 for the ease of static contact 1011, in some embodiments, on fixed contact pedestal 1012 Mounting hole 1018 can be set.Mounting hole 1018 can be passed through for the fastener 1010 of bolt etc. by static contact 1011 It is installed to fixed contact pedestal 1012, i.e., on mounting rod 1017.
Certainly, above-mentioned to be only exemplary about the embodiment of static contact 1011 and mounting rod 1017, it is no intended to limit The protection scope of the disclosure.Any other structure appropriate or arrangement are also possible.For example, in some embodiments, it is quiet Contact 1011 is also possible to solid, and is mounted in fixed contact pedestal 1012 by mode appropriate.In the implementation of some substitutions In example, static contact 1011 and fixed contact pedestal 1012 can be integrally formed.
In some cases, moving contact component 102 can be with activity during moving from open position to on-position Arm 201 rotates by a certain angle.Moving contact component 102 is inclined due to the factors such as inertia hyperkinesia in this case in order to prevent Aligned position from static contact 1011 and moving contact 1021, in some embodiments, the open end of fixed contact pedestal 1012 can be set It is equipped with axially projecting stopper section 1014.
Stopper section 1014 can follow the arcuate shape of open end and protrude from open end with flushing.Stopper section 1014 is along week To extension can less than half circular arc.In some embodiments, in stopper section 1014 along the tangential direction of fixed contact pedestal 1012 The pairs of guide part 1015 extended, as shown in Figure 4, Figure 5 and Figure 6.Guide part 1015 from close to stopper section 1014 position to Position far from stopper section 1014 is gradually expanded, to form open portion.The guide part 1015 can be transported in moving contact component 102 Prevent moving contact component 102 due to beat caused by the factors such as strong wind during moving on-position.Which ensure that dynamic touching Head assembly 102 can move to position appropriate in order to the insertion of static contact 1011.
In some embodiments, in the inside of guide part 1105 and stopper section 1014, namely adjacent to the one of static contact 1011 Bolster 1016 is provided on side.Bolster 1016 can come in deformation when moving contact component 102 and fixed contact pedestal 1012 contact Buffering is provided.Rigidity when bolster 1016 is thus, it is possible to be effectively prevented from moving contact component 102 and the contact of fixed contact pedestal 1012 Collision can also be prevented while reducing noise since fastener loosens caused by hitting vibration.Bolster 1016 can be with It is made of material appropriate, such as the rubber with certain elasticity or silica gel etc..In some embodiments, bolster 1016 It can be spring or elastic slice etc..
From the above, it is seen that the moving contact 1021 of contact unit 100 according to an embodiment of the present disclosure is due to adopting With the recessed contact of plum blossom shape, can guarantee to be reliably connected with static contact 1011 under any circumstance.And in static contact 1011 and moving contact 1021 outside cover can be set to prevent static contact 1011 and moving contact 1021 by sleet or strong wind Invasion, further ensure the reliability of connection.Pass through setting guide part 1015, stopper section 1014 and bolster thereon 1016, it is ensured that the reliability of moving contact component 102 and static contact component 101 during the connection process.In addition, according to the disclosure The contact unit 100 of embodiment assembles simply, and material and assembly cost can be effectively reduced, to improve the sexual valence of product Than.
It should be understood that the embodiment in detail above of the disclosure is just for the sake of illustration or the original of the explanation disclosure Reason, rather than limit the disclosure.Therefore, within the spirit and principle of the utility model, it is made it is any modification, equally replace Generation, improvement etc., should be included within the scope of protection of this utility model.Meanwhile disclosure the attached claims are intended to cover Lid falls into all changes and modification in the equivalent on the scope of the claims and boundary or range and boundary.

Claims (13)

1. a kind of contact unit (100) for high-voltage switch component characterized by comprising
Static contact component (101), including static contact (1011);And
Moving contact component (102) is arranged on the lever arm (201) of the switch block with the fortune of the lever arm (201) It moves and is moved between on-position and open position, and including moving contact (1021), the moving contact (1021) includes edge Multiple elastic conducting strips (1022) circumferentially, the multiple elastic conducting strip (1022) are integrally formed structures,
Wherein when the moving contact component (102) is in the on-position, the static contact (1011) is suitable for coaxially inserting Enter in the moving contact (1021) to be contacted with the multiple elastic conducting strip (1022), so that the switch block is connected, And
Wherein when the moving contact component (102) is in the open position, the static contact (1011) and the moving contact (1021) it separates.
2. contact unit (100) according to claim 1, which is characterized in that the internal diameter of the moving contact (1021) is less than The outer diameter of the static contact (1011), and in the free end of the static contact (1011) neighbouring the moving contact (1021) (1019) chamfering is formed with to be suitable for being inserted into the moving contact (1021).
3. contact unit (100) according to claim 1, which is characterized in that the moving contact component (102) further include:
Annular groove (1023) is formed in the appearance of the multiple elastic conducting strip (1022) along the circumferential direction of the moving contact (1021) Face;And
The ring elastic parts (1024) being arranged in the annular groove (1023), described in being inserted into the static contact (1011) Elastic force is generated when moving contact (1021) to prevent the elastic conducting strip (1022) excessive deformation.
4. contact unit (100) according to claim 3, which is characterized in that the moving contact component (102) further include:
Annular protrusion (1025) is formed in the multiple elastic conducting strip (1022) along the circumferential direction of the moving contact (1021) Inner surface, and contacted with the static contact (1011).
5. contact unit (100) according to claim 1, which is characterized in that the static contact component (101) further includes tool There is the fixed contact pedestal (1012) of rain and snow function, at least partly receiving the static contact (1011).
6. contact unit (100) according to claim 5, which is characterized in that the static contact component (101) further include from The stopper section (1014) that the open end of the fixed contact pedestal (1012) axially protrudes, for backstop with the lever arm (201) The moving contact component (102) of movement.
7. contact unit (100) according to claim 6, which is characterized in that the fixed contact pedestal (1012) is cylindrical, and And
The static contact component (101) further includes the tangential direction from the stopper section (1014) along the fixed contact pedestal (1012) The pairs of guide part (1015) extended, for guiding the moving contact component (102) to move with the lever arm (201).
8. contact unit (100) according to claim 7, which is characterized in that the static contact component (101) further includes delaying Stamping (1016) is arranged in the one of neighbouring static contact (1011) of the guide part (1015) and the stopper section (1014) Side provides buffering for deforming when the moving contact component (102) and the fixed contact pedestal (1012) contact.
9. contact unit (100) according to claim 5, which is characterized in that the static contact (1011) is hollow, and And the static contact component (101) further includes the mounting rod (1017) being coaxially disposed in the fixed contact pedestal (1012), institute Static contact (1011) is stated to be set on the mounting rod (1017).
10. contact unit (100) according to claim 5, which is characterized in that be formed on the fixed contact pedestal (1012) Mounting hole (1018) is passed through for fastener (1010) so that the static contact (1011) is assembled to the fixed contact pedestal (1012) In.
11. contact unit (100) according to claim 1, which is characterized in that the moving contact (1021) further includes and institute Multiple elastic conducting strips (1022) integrally formed coupling part (1027) is stated,
Wherein the moving contact (1021) is coupled to the lever arm (201) via the coupling part (1027).
12. contact unit (100) according to claim 1, which is characterized in that the moving contact component (102) further includes Guide cylinder (1026) with rain and snow function, it is described to be at least partially accommodated to be arranged in the end of the lever arm (201) Moving contact (1021).
13. a kind of high-voltage switch component, which is characterized in that including contact list described according to claim 1 any one of -12 First (100).
CN201821368083.XU 2018-08-23 2018-08-23 Contact unit and corresponding high-voltage switch component for high-voltage switch component Active CN208637321U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112750647A (en) * 2020-12-11 2021-05-04 平高集团有限公司 Static contact of grounding switch and straight-swinging plug-in type grounding switch
CN112771641A (en) * 2019-06-25 2021-05-07 Abb瑞士股份有限公司 Motor operator for circuit breaker and method of manufacturing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112771641A (en) * 2019-06-25 2021-05-07 Abb瑞士股份有限公司 Motor operator for circuit breaker and method of manufacturing the same
CN112771641B (en) * 2019-06-25 2024-05-17 Abb瑞士股份有限公司 Motor operator for a circuit breaker and method for manufacturing a motor operator
CN112750647A (en) * 2020-12-11 2021-05-04 平高集团有限公司 Static contact of grounding switch and straight-swinging plug-in type grounding switch
CN112750647B (en) * 2020-12-11 2023-09-01 平高集团有限公司 Grounding switch static contact and straight swing plug-in type grounding switch

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