WO2012163272A1 - Contact mâle et composant de disjoncteur pour sectionneur - Google Patents

Contact mâle et composant de disjoncteur pour sectionneur Download PDF

Info

Publication number
WO2012163272A1
WO2012163272A1 PCT/CN2012/076225 CN2012076225W WO2012163272A1 WO 2012163272 A1 WO2012163272 A1 WO 2012163272A1 CN 2012076225 W CN2012076225 W CN 2012076225W WO 2012163272 A1 WO2012163272 A1 WO 2012163272A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
flap
cap
push rod
male
Prior art date
Application number
PCT/CN2012/076225
Other languages
English (en)
Chinese (zh)
Inventor
闫淼江
Original Assignee
Yan Miaojiang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yan Miaojiang filed Critical Yan Miaojiang
Publication of WO2012163272A1 publication Critical patent/WO2012163272A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/38—Plug-and-socket contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/60—Auxiliary means structurally associated with the switch for cleaning or lubricating contact-making surfaces
    • 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
    • H01H31/26—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • H01H31/32—Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch with rectilinearly-movable contact

Definitions

  • the present invention relates to a fracture assembly for a high voltage disconnector, and more particularly to a male contact for the fracture assembly. Background technique
  • High-voltage isolating switches are the most widely used electrical equipment in power systems.
  • Existing high-voltage isolating switches generally employ finger-shaped contact assemblies. These finger-shaped contact assemblies and cylindrical contacts typically form a fracture assembly that generally includes each other.
  • the female contact and the male contact are engaged, wherein the female contact comprises a contact finger, and the male contact can be inserted into the contact finger, and a spring is arranged between the contact fingers of the female contact, so that the contact finger is applied in the opposite direction Pressing, so that the finger is pressed against the inserted male contact.
  • such a conventional fracture component usually has a problem of small contact pressure between the contact finger and the contact, in particular, the rear contact does not have a self-cleaning oxide layer action, and is easy to adhere to dust and oxidize heat during outdoor operation, eventually causing the contact assembly to burn out. .
  • a fracture assembly comprising a female contact and a male contact with the female contact, the female contact comprising a conductive base, a plurality of fingers and a spring member, the conductive base comprising an inclined conductive contact surface, the plurality of fingers being respectively connected to the spring member, so that the rear end of the finger and the conductive base are under the action of the spring member
  • the electrically conductive contact surface is in conductive contact and the rear end of the finger is straight.
  • a male contact for a fracture assembly comprising: a conductive arm and a plurality of contact flaps electrically connected to the conductive arm, wherein the contact flap can be in an inclined position Swing between the upright position.
  • the contact flap of the male contact can be swung from the inclined position to the upright position, rubbing with the contact finger of the corresponding female contact, thereby removing the touch Refers to the oxide layer on the front end and the contact flap.
  • the male contact further comprises a push rod and a contact cap, one of the push rod and the touch cap is slidable relative to the conductive arm, and the other is fixed relative to the conductive arm, the contact flap Positioned between the contact cap and the push rod, and swings between an inclined position and an upright position as one of the push rod and the contact cap slides relative to the conductive arm.
  • the push rod is slidable relative to the conductive arm, and the touch cap is fixed relative to the conductive arm, and the push rod is in the same
  • the front end is provided with a groove, the lower end of the contact flap is received in the groove, and as the push rod slides, the lower end of the contact flap rotates in the groove.
  • a plurality of guard plates may be disposed on an outer circumference of the male contact, and the contact flaps slide from the inclined position to the upright position while sliding on the rear side of the contact cap during the sliding of the push rod from the rear to the front. Swinging; and in the process of sliding the push rod in the opposite direction, the contact flap swings from an upright position to an inclined position under the interference of the front end of the shield.
  • the contact cap is provided with a plurality of bolts spaced around its periphery, and the bolt extends around the periphery of the push rod to the conductive arm and is fixed to the conductive arm.
  • An oblique hole is disposed in the contact flap, the oblique hole is disposed for the bolt to pass through, and the oblique hole does not interfere with the bolt during the swinging of the contact flap.
  • the cap is detachably fixed to the conductive arm to facilitate assembly and disassembly of the male contact.
  • the contact cap may be provided with an ear cap link at a substantially central position of the rear side thereof, and the contact cap link extends through the hollow push rod to the conductive arm and is fixed at On the conductive arm. In this way, the male contact can be easily adjusted.
  • the contact flap may further be provided with a guide rail
  • the touch cap is provided with a slide rail and a guide rod is disposed in the slide rail, the guide rail is inserted into the slide rail, and the guide rod passes through the guide rail to
  • the guide rail cooperates with the guide bar to guide the swing when the contact flap is swung from between the tilted position and the upright position.
  • the contact flap may be provided with a skew hole at the bottom, the push rod is provided with a loop spring at a front end thereof, and the loop spring is inserted into the oblique hole to prevent the contact flap from being in the swinging process
  • the groove of the push rod is disengaged without interfering with the oscillation of the contact flap. Thereby, the contact flap can be reliably moved on the predetermined trajectory without being disengaged from the groove of the push rod, improving the stability and reliability of the operation.
  • the touch cap may slide relative to the conductive arm, and the push rod is fixed differently with respect to the conductive arm, and with the touch The cap slides back and the tab is pulled to swing from the tilted position to the upright position.
  • the push rod is provided with a groove at a front end thereof, the lower end of the contact flap is received in the groove, and the upper end of the contact flap is pulled as the contact cap slides, and the lower end of the contact flap is The groove rotates.
  • the contact flap is electrically connected to the conductive arm by a soft connection.
  • a shield is provided on the outside of the soft connection. With the shield, dust can be prevented from entering the male contact and abutting against the contact flap in the inclined position.
  • a fracture assembly in accordance with another aspect of the invention, includes a male contact as described above and a female contact that mates with the male contact.
  • Figure 1 is a perspective view showing a male contact of a fracture assembly in accordance with the present invention
  • Figure 2 is a side elevational view showing the contact flap of the male contact shown in Figure 1 in a dumped state;
  • Figure 3 is a side elevational view showing the contact flap of the male contact shown in Figure 1 in an upright position
  • Figure 4 is a perspective view showing the contact cap and the push rod in the male contact shown in Figure 1
  • Figures 5A and 5B are front and side views showing the contact flap in the male contact shown in Figure 1
  • 6A and 6B are front and side views showing another structure that can be used for the male contact cap according to the present invention
  • Figure 7 is a half cross-sectional side view showing a state in which a male contact flap is tilted according to a second embodiment of the present invention.
  • FIGS. 8A and 8B are views respectively showing the contact cap used in the male contact according to the second embodiment of the present invention from two opposite directions, and Fig. 8A is a cross-sectional view taken along AA of Fig. 7, and Fig. 8B is along the line Figure 7 is a C-direction view;
  • Figure 9 is a partial side elevational view showing the male contact shown in Figure 7 in an upright state of the contact flap;
  • Figure 10A is a view showing the contact flap and the hoop spring in the male contact shown in Figure 7 along the line of Figure 10B a partial cross-sectional view of the GG, showing the oblique hole and the hoop spring of the male contact flap;
  • Figure 10B is a front view showing the contact flap in the male contact shown in Figure 7 as seen from the front.
  • Figure 11 is a view showing the male contact according to the third embodiment of the present invention.
  • Figure 12 is a view showing the contact cap used in the male contact shown in Figure 11, which is a view taken along the F direction of Figure 11;
  • Figure 13 is a side elevational view showing another embodiment of the present invention in which the cap link is coupled to the transposition mechanism drive of the disconnector and the pusher is secured to the conductive arm.
  • FIG. 1 is a view showing a male contact 100 according to a preferred embodiment of the present invention
  • FIG. 2 is a view of FIG. A side view of the structure of the male contact shown.
  • the male contact 100 includes a conductive arm 101 connected to the transposition mechanism of the isolating switch, a connecting block 102 disposed at the front end of the conductive arm, and a front end disposed at the front end of the male contact 100 in a direction from the rear end to the front end.
  • four shields 107 disposed on the outside of the male contacts.
  • the cap 104 is disposed at the front end of the male contact 100, and the cap 104 is coupled to the connecting block 102 by a plurality of bolts 1041 (four in this embodiment).
  • the bolts 1041 sequentially pass through the four holes 1042 of the contact cap 104, a corresponding number of oblique holes 1031 provided in the contact flaps 103 (see FIGS. 5A and 5B), and the putter heads 1052 disposed at the front end of the push rods 105.
  • the thread is connected to a threaded hole (not shown) of the connecting block 102.
  • the push rod 105 includes a shaft 1051 and the above-described push rod head 1052.
  • the shaft 1051 slidably passes through a through hole provided in the connecting block 102 and the transmission arm 101 and the transposition mechanism of the isolating switch. The pieces are connected, thereby being pushed or pulled by the transmission member during the closing and opening, so that the push rod 105 can slide in the axial direction of the male contact 100.
  • the pusher head 1052 is generally square in shape, and the four bolts 1041 that connect the contact caps 104 are slidably passed through the four semicircular grooves 10521 without interfering with the movement of the pusher.
  • arcuate recesses 1053 are provided on the four sides of the front end of the pusher head 1051, and the arcuate recesses 1053 extend along four sides to accommodate the bottom 1032 of the contact flap 103 (see Figs. 5A and 5B). .
  • the contact flap 103 has a generally trapezoidal shape in a front view, the width of the bottom portion 1032 is smaller than the width of the top portion, and a skew hole 1031 is formed in the bottom portion 1032 so that A bolt 1041 connecting the cap 104 passes therethrough.
  • the oblique hole 1031 is a non-cylindrical hole, and the front and rear ends of the hole are widened, and the center is a circular hole so as not to be interfered by the bolt 1041 during the movement of the contact flap.
  • the angled aperture 1031 can be achieved by drilling a hole in the contact flap 103 at two intersecting angles.
  • the rear end of the soft joint 106 is fixed to the conductive arm 101 by, for example, a bolt or the like to connect the contact flap 103 with the conductive arm 101.
  • a shield 107 is provided on the outer side of the male contact 100.
  • the shield 107 is made of a metal plate and has a plate shape with a wave shape in the middle, and is axially symmetrically fixed on the four sides of the outer side of the conductive arm, and the contact flap is disposed between the contact cap and the push rod.
  • the bottom 1032 is snail passing through the hole 1031
  • the peg 1041 is confined within the arcuate recess 1053, and the contact flap is only rotatable about the arcuate recess 1053.
  • the contact flap 103 slides against the contact cap 104 to an upright position.
  • the contact flap 103 is gradually tilted from the upright position by the interference of the front end of the guard 107, thereby forming a reliable position corresponding action.
  • the shield 107 encloses the soft connection 106 and other parts on the inside to provide protection against dust, rain and the like.
  • a pressure plate 1048 is provided at the front end of the cap to fix the bolt and the contact cap after the male contact is installed and installed to prevent the contact from damaging the contact.
  • FIG. 2 shows the male contact 100 in the state in which the flap is tilted
  • FIG. 3 shows the male contact 100 in the upright state of the contact flap.
  • the lower end of the contact flap 103 fits within the arcuate recess of the putter head 1052, and the cap 104 utilizes four bolts 1041. It is fixed to the connecting block 102, and the front end of the contact flap 103 abuts on the contact cap 104.
  • the shield is screwed to the conductive arm 101 while the soft connection 106 is connected to the conductive arm.
  • the push rod 105 is coupled to the transmission member of the shifting mechanism of the isolation switch.
  • the contact flap 103 of the male contact 100 is inserted in a tilted state (for the double-column split-type disconnector to be screwed in) to
  • the contact of the female contact is surrounded by the contact of the female contact
  • the active side of the isolating switch continues to rotate, and the transmission member of the transposition mechanism of the isolating switch moves forward, thereby being touched by the putter head 1051
  • the bottom of the flap 103 is pushed forward, since the front side of the flap 103 rests on the contact cap 104 and the cap 104 is fixed relative to the connecting block 102 by means of the bolt 1041, so that the contact flap 103 is in contact with While the rear surface of the cap slides, it swings from the inclined state as shown in FIG.
  • the push rod 105 of the male contact 100 is pulled backward by the transmission member of the transposition mechanism of the isolating switch, so that the contact flap 103 loses support and is tilted forward under the constraint of the guard plate, thereby, the male touch head
  • the contact flap 103 of 100 is contracted and is unobstructed from the female contact 200 after being sufficiently contracted, and the contracted state of the contact 103 of the male contact 100 (dumped state) is as shown in FIG.
  • the female contact is mounted on the opposite side of the isolating switch
  • the function of the male contact depends on the movement of the push rod passing through the conductive arm. In the splitting action, the exposed conductive arm does not move relative to the transposition mechanism, so that the reliability of the mechanism is improved.
  • the screws 1041 that fix the cap 104 are not limited to four, but may be three or more than four.
  • the cap 104 is not limited to the form described above.
  • the front end of the cap 104 is convex, and a card groove for accommodating the collar is provided around the protrusion, and a recess is provided at the front.
  • the open annular collar 1044 can be snapped into the slot to hold the bolt head in place and elastically center the bolt Tightening, thereby making the movement of the flap more accurate.
  • the male contact 100 also includes the contact flap 103 and the contact cap 104. Unlike the first embodiment, the contact flap 103 is further disposed. There is a curved guide rail 1032. Cooperating with the curved guide rail 1032, a slot-shaped slide 1045 is provided in a plate-like base body of the contact cap 104 so as to radiate centrally, and in the slide 1045, a guide is also disposed transversely. A rod 1047 is inserted into the slide 1045. And the guide rod 1047 passes through the slot in the middle of the curved guide rail 1032 of the contact flap 103.
  • the curved guide rail 1032 of the contact flap 103 will cooperate with the passage formed by the slide 1045 and the guide rod 1047 in the contact cap 104 to thereby touch
  • the movement of the flap 103 is guided such that the contact flap 103 is reliably in an upright position as the pusher 105 is pushed forward, and the flap 103 can be reliably poured when the pusher pulls back on the contact flap 103.
  • the contact flap 103 is symmetrically opened near the bottom.
  • the hoop spring is further provided with a 90-degree vertical bend near the U-bend to avoid the push rod shaft, and the hoop spring 1054 is axially caught in the groove on the side of the pusher head from the periphery, and The piercing hole 1031 is inserted into the oblique hole 1031 of the contact flap 103, for example, by drilling the contact flap 103 in two angled directions, whereby the coil spring 1054 can prevent the contact flap 103
  • the jumper spring 1054 does not interfere with the swinging motion of the contact flap 103.
  • the loop spring structure described in this embodiment is only an implementation manner, and is not limited to this structure, but penetrates The way can also be from front to back.
  • the replacement cap 104 is fixed to the conductive arm 101 by four bolts 1041, and the cap link 1046 is used, and the cap link 1046 is used.
  • the center position of the rear side of the contact cap 104 may be integral with the contact cap 104, or may be separately manufactured and joined together by welding or the like.
  • the cap link 1046 extends from the contact cap 104 to the conductive arm 101.
  • the push rod 105 is hollow and slidably fitted over the outside of the contact cap 1046. It should be noted that the connection manner of the contact cap and the connecting rod can completely adopt other connecting manners, for example, a threaded connection can be adopted.
  • the outer circumference of the hollow push rod 105 is symmetric on both sides, axially spaced apart by a certain distance.
  • Four long slots 1055 are formed, and four connecting pins 1011 disposed at corresponding positions on the conductive arm 101 are respectively connected to the contact cap connecting rod 1046 through the four long slots, only one corresponding position is shown in the figure.
  • the connecting nail 1011 and the long groove, the connecting nail is connected with the contact cap connecting rod 1046, and the other end of the connecting nail is fixed in a hole formed at the side of the connecting block 102 at the front end of the conductive arm, thereby fixing the contact cap connecting rod 1046.
  • the push rod 105 is guided during the axial movement of the push rod, and it is undoubted that according to the different needs of the assembly size,
  • the connection of the connecting rod and the connecting block can be completely connected by a pin.
  • the contact flap 103 and the curved guide rail 1032 can be joined together, for example, by a welding method.
  • the shields mounted on the four sides of the contacts may serve only as a shield and do not participate in the action of the contact members.
  • a third embodiment is provided.
  • the guide rails of the slide cap, the guide bar 1047 and the contact flap 103 of the cap 104 are removed.
  • the front side of the cap 104 is based.
  • the upper surface is provided with an eye contact link 1046 at a position substantially at the center of the rear side of the contact cap.
  • the cap link 1046 is attached to the conductive arm 101 in the same manner as in the second embodiment.
  • a pusher head is provided, and a hoop spring 1054 is provided around the pusher head.
  • a skew hole 1031 is provided in the contact flap 103, into which the hoop spring 1054 is inserted to prevent detachment from the recess 1053 during movement of the contact flap 103.
  • the tip end of the contact flap 103 slides on the rear side of the contact cap 104 while swinging from the inclined position to the upright position.
  • the push rod 105 moves in the opposite direction, the bottom end of the contact flap 103 located in the recess 1053 is pulled backward by the push rod 105, and at the same time, the rear side of the contact flap 103 interferes with the front end of the shield 107, so that the contact flap 103 completes the dumping action, which also enables the contact flap to act on a predetermined trajectory.
  • the male contact according to the third embodiment of the present invention removes the guide rails in the curved guide rail and the contact cap in the second embodiment, thereby making the structure of the male contact simple and easy to process. Meanwhile, the male contact of the third embodiment also has the effect of easy adjustment in the second embodiment.
  • the contact flap 103 of the male contact 100 is pushed by the push rod 105, thereby swinging from the tilted state to the upright state.
  • the present invention can also be implemented as follows: As shown in FIG. 13, the contact cap 104 is coupled to the transmission member of the transposition mechanism via a link 1046, and the push rod is fixed to the conductive arm 101 through the connection block and relative to the conductive arm 101. fixed. Thus, during the closing process, the cap 104 is moved toward the rear end under the pulling of the transmission member of the indexing mechanism, thereby swinging the tab 103 from the tilted state to the upright state.
  • the soft joint 106 can be soldered directly to the conductive arm instead of being clamped to the conductive arm by bolts as described above.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

La présente invention concerne un contact mâle et un composant de disjoncteur pour un sectionneur, le contact mâle comprenant un bras conducteur (101) et une pluralité de segments de contact (103) connectés électriquement au bras conducteur, les segments de contact étant capables d'osciller entre une position inclinée et une position verticale. Lors de l'utilisation du contact mâle selon la présente invention, au cours de la mise en contact de celui-ci avec un contact femelle correspondant, il est possible de produire un mouvement par frottement entre les segments de contact du contact mâle et les doigts de contact du contact femelle, ce qui permet de retirer une couche d'oxyde entre ceux-ci.
PCT/CN2012/076225 2011-06-03 2012-05-29 Contact mâle et composant de disjoncteur pour sectionneur WO2012163272A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2011101455640A CN102231335A (zh) 2011-06-03 2011-06-03 隔离开关的阳触头及断口组件
CN201110145564.0 2011-06-03

Publications (1)

Publication Number Publication Date
WO2012163272A1 true WO2012163272A1 (fr) 2012-12-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/076225 WO2012163272A1 (fr) 2011-06-03 2012-05-29 Contact mâle et composant de disjoncteur pour sectionneur

Country Status (2)

Country Link
CN (1) CN102231335A (fr)
WO (1) WO2012163272A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102231335A (zh) * 2011-06-03 2011-11-02 闫淼江 隔离开关的阳触头及断口组件
CN102543549B (zh) * 2012-02-10 2014-01-29 成都中工电气工程有限公司 轨道交通隔离开关本体
CN105390305A (zh) * 2015-12-28 2016-03-09 北京合纵科技股份有限公司 一种隔离开关动触头的电气连接结构
CN105405703B (zh) * 2015-12-28 2018-12-21 北京合纵科技股份有限公司 一种三工位隔离接地开关
CN107481883B (zh) * 2016-06-07 2019-08-09 闫淼江 高压隔离开关出线座及具有其的高压隔离开关
CN107293415B (zh) * 2017-07-27 2021-01-01 广东北江开关厂有限公司 一种适用于高压设备大电流开关触头
CN108364809B (zh) * 2017-11-30 2020-07-24 闫淼江 出线座组件、阴触头组件、阳触头组件和断口组件
CN110299253A (zh) * 2019-07-12 2019-10-01 山东鲁冶瑞宝电气自动化有限公司 一种具有自行修复功能的电气触头

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CN2896493Y (zh) * 2006-05-22 2007-05-02 靖江市海源有色金属材料有限公司 双臂式高压隔离开关触头
CN201369274Y (zh) * 2008-11-03 2009-12-23 江苏省如高高压电器有限公司 一种隔离开关的触头结构
CN101661848A (zh) * 2009-10-09 2010-03-03 闫淼江 隔离开关的触头组件
CN102231335A (zh) * 2011-06-03 2011-11-02 闫淼江 隔离开关的阳触头及断口组件

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DE19703345A1 (de) * 1997-01-30 1998-08-06 Abb Patent Gmbh Tulpenkontaktstück für ein Hochspannungsschaltgerät und Kontaktanordnung
ES2347786T3 (es) * 2004-12-21 2010-11-04 Abb Technology Ag Sistema de contacto para un aparato de conmutacion electrica.
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CN2896493Y (zh) * 2006-05-22 2007-05-02 靖江市海源有色金属材料有限公司 双臂式高压隔离开关触头
CN201369274Y (zh) * 2008-11-03 2009-12-23 江苏省如高高压电器有限公司 一种隔离开关的触头结构
CN101661848A (zh) * 2009-10-09 2010-03-03 闫淼江 隔离开关的触头组件
CN102231335A (zh) * 2011-06-03 2011-11-02 闫淼江 隔离开关的阳触头及断口组件

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