CN202616126U - Novel outdoor AC high-voltage isolation switch - Google Patents

Novel outdoor AC high-voltage isolation switch Download PDF

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Publication number
CN202616126U
CN202616126U CN 201220250957 CN201220250957U CN202616126U CN 202616126 U CN202616126 U CN 202616126U CN 201220250957 CN201220250957 CN 201220250957 CN 201220250957 U CN201220250957 U CN 201220250957U CN 202616126 U CN202616126 U CN 202616126U
Authority
CN
China
Prior art keywords
switch
fixed contact
contact
porcelain insulator
draw ring
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN 201220250957
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Chinese (zh)
Inventor
李小平
焦晓东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XI'AN BOLONG ELECTRICAL Co Ltd
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XI'AN BOLONG ELECTRICAL Co Ltd
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
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Application filed by XI'AN BOLONG ELECTRICAL Co Ltd filed Critical XI'AN BOLONG ELECTRICAL Co Ltd
Priority to CN 201220250957 priority Critical patent/CN202616126U/en
Application granted granted Critical
Publication of CN202616126U publication Critical patent/CN202616126U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a novel outdoor AC high-voltage isolation switch. The bottom of a porcelain insulator is connected to a bottom plate, the other end of the porcelain insulator is connected to a static contact lug via position-specified bolt, the static contact lug is connected to a static contact, the bottom plate is connected to the other porcelain insulator, the other end of the other porcelain insulator and the other static contact lug are connected to a position-specified seat via bolts, the position-specified seat is hinged to one end of a switch sheet via a bolt, a switch sheet positioning pin is arranged on the switch sheet, the middle right part of the switch sheet is connected to a draw ring via a draw ring positioning pin, the other end of the switch sheet is connected to one end of a reinforcing plate and a claw hardware via bolts, the other end of the reinforcing plate is connected to a conductive connecting assembly, wherein the conductive connecting assembly is composed of an inclined static contact, a switch sheet moving contact, and the reinforcing plate, and the inclined static contact is inserted into the switch sheet moving contact to tightly connect with the switch sheet moving contact. The isolation switch provided is simple in structure, convenient in installation, is capable of being turned on or off with load, is free of contact burning and releasing, and can be widely applied to 10KV high voltage lines.

Description

A kind of novel outdoor AC high-voltage isolating switch
Technical field
The utility model relates to outdoor house lead in high voltage isolator, is specifically related to a kind of novel outdoor AC high-voltage isolating switch.
Background technology
At present the 10KV isolating switch (GW9) that uses of China is the mentality of designing of the former Soviet Union, and China's present stage operation power fail safe, reliability requirement are increasingly high, and the some shortcomings performance of GW9 is more and more obvious, mainly has following defective:
(1), the way of contact of switch is unreliable, the parallel connection of switch that GW9 adopts causes the contact-making surface bonding strength of contact big inadequately, because contact-making surface is not tight, causes the situation ubiquity of contact heating during operate as normal, the line electricity loss is big.
(2), the fore shaft mechanism design is unreasonable, fore shaft is too simple, breaking-closing operating is very inconvenient, in addition, the phenomenon of threading off automatically when disconnecting link normally uses, can occur.
(3), limit seat design angle is little, has only 45 degree, the scope that product uses is restricted.
(4), do not have the goat's horn gold utensil design of on-load operation, serviceability is restricted, and can not satisfy the growth requirement of present stage China's electric power fully.
(5), mounting seat do not have slide opening design, the mounting means underaction, the scope of application is restricted.
Summary of the invention
The purpose of the utility model provides a kind of simple in structure, and is easy for installation, long service life, but on-load cut-off, operation is simple and reliable, do not produce outside electric arc, can not burn out a kind of novel outdoor AC high-voltage isolating switch of contact.
In order to overcome the deficiency of prior art; The technical scheme of the utility model is to solve like this: a kind of novel outdoor AC high-voltage isolating switch is made up of porcelain insulator, a fixed contact sheet, stiffener, fixed contact, caging bolt, goat's horn gold utensil, draw ring, draw ring alignment pin, switch, 160 ° of alignment pins of disconnecting link, 90 ° of alignment pins of disconnecting link, limit base, conduction coupling assembling, another fixed contact, base plate; The special character of the utility model is that said porcelain insulator bottom is connected with base plate one end; A said porcelain insulator other end is connected with a fixed contact lug plate through caging bolt; A said fixed contact sheet is connected with fixed contact; The said base plate other end is connected with another porcelain insulator, and said another porcelain insulator other end is connected with limit base through bolt with another fixed contact lug plate, and said limit base is articulated and connected through bolt and switch one end; Said switch left end is provided with 160 ° of disconnecting link alignment pins or 90 ° of disconnecting link alignment pins; Right part is connected with draw ring through the draw ring alignment pin in the switch, and the said switch other end is connected with the goat's horn gold utensil with stiffener one end through bolt, and the said stiffener other end is connected with the conduction coupling assembling; Wherein said conduction coupling assembling is made up of inclination fixed contact, switch moving contact, stiffener, and said inclination fixed contact inserts in the switch moving contact and closely connects.
Said static contact isolation switch is an inclination ligule fixed contact.
Said switch edge is the circular arc type structure.
Said draw ring is a rigidity draw ring snap close.
Said limit base is that the fixing contact of multiple spot connects.
Said base plate is the slide opening structure.
Said porcelain insulator is that two bolt connect.
Said moving contact is for strengthening moving contact.
The utility model compared with prior art, have simple in structure, easy for installation, long service life, but on-load cut-off, operation is simple and reliable, do not produce outside electric arc, can not burn out the characteristics of contact, simultaneously, also has following advantage:
One, novel static contact isolation switch adopts ligule, gradient design:
1, can prevent contact wearing and tearing and scratch, influence the useful life of product;
2, fixed contact contacts with switch not can influence the separating effect of switch and fixed contact because of the overcurrent fusing of generating heat, and operation power safety is impacted.Still can carry the rated load electric current even the fixed contact of particular design is in the filthy air for a long time, and can not cause the switching manipulation difficulty.
Two, the reinforcement design is adopted at the moving contact position, has increased the reliable order of contact of contact.
Three, the switch edge adopts the circular arc type structural design, has strengthened the mechanical strength of switch, can guarantee the reliable contact of dynamic/static contact when switch closes a floodgate.
Four, distinctive rigidity draw ring shackle designs guarantees that switch can not break away from closing position in normal use; Also can be from arbitrarily angled free operant, open switch behind the releasing snap close.
Five, instrument is cut-off in the design fits special use of goat's horn gold utensil, but on-load cut-off, shorten interruption duration, operation is simple and reliable, do not produce outside electric arc, can not burn out contact.
Six, the porcelain vase fixed form adopts two bolts, guarantees that porcelain insulator is fixing up and down can not slide or rotate, and guarantees the reliable and secure contact of live part, has improved the stability in use of product.
Seven, switch can be set the adjustment angle of 160 ° and 90 °, has enlarged the instructions for use of different places.
Eight, base plate is installed and is adopted the slide opening design, according to different fields of employment, can freely adjust installation.
Nine, the limit base conduction adopts the fixedly way of contact of multiple spot, guarantees the reliable contact of current-carrying part, has improved the engagement capacity of conducting surface greatly.Be widely used on the 10 KV high-tension lines.
Important technological parameters
Description of drawings
Fig. 1 is the main TV structure sketch map of the utility model;
Fig. 2 is Fig. 1 plan structure sketch map;
Fig. 3 conducts electricity the coupling assembling structural representation for Fig. 1;
Fig. 4 is Fig. 1 switch sectional structure sketch map.
Embodiment
Accompanying drawing is the embodiment of the utility model.
Attach summary of the invention below in conjunction with accompanying drawing and do further explain:
With reference to Fig. 1-shown in Figure 4; A kind of novel outdoor AC high-voltage isolating switch is made up of porcelain insulator, a fixed contact sheet, stiffener, fixed contact, caging bolt, goat's horn gold utensil, draw ring, draw ring alignment pin, switch, 160 ° of alignment pins of disconnecting link, 90 ° of alignment pins of disconnecting link, limit base, conduction coupling assembling, another fixed contact, base plate; A said porcelain insulator 1 bottom is connected with base plate 15 1 ends; A said porcelain insulator 1 other end is connected with a fixed contact lug plate 2 through caging bolt 5; A said fixed contact sheet 2 is connected with fixed contact 4; Said base plate 15 other ends are connected with another porcelain insulator 1-1, and said another porcelain insulator 1-1 other end is connected with limit base 12 through bolt with another fixed contact lug plate 14, and said limit base 12 is articulated and connected through bolt and switch 9 one ends; Said switch 9 left ends are provided with 160 ° of alignment pins of disconnecting link or 90 ° of alignment pins of disconnecting link; Right part is connected with draw ring 7 through draw ring alignment pin 8 in the switch 9, and said switch 9 other ends are connected with goat's horn gold utensil 6 with stiffener 3 one ends through bolt, and said stiffener 3 other ends are connected with conduction coupling assembling 16; Wherein said conduction coupling assembling 16 is made up of inclination fixed contact 19, switch moving contact 18, stiffener 3, and said inclination fixed contact 19 inserts in the switch moving contact 18 and closely connects.
Said static contact isolation switch is the ligule fixed contact.
Said switch edge is the circular arc type structure.
Said draw ring is a rigidity draw ring snap close.
Said limit base is that the fixing contact of multiple spot connects.
Said base plate is the slide opening structure.
Said porcelain insulator is that two bolt connect.
Said moving contact is for strengthening moving contact.
In sum, another fixed contact lug plate 14 is connected with electrical network through bolt, and a fixed contact lug plate 2 is connected with subscriber's drop through bolt.
The brief introduction of CBGK-12W/1000-20 structure:
The novel isolating switch of CBGK-12W/1000-20 is applicable on the 10kV outdoor AC high-voltage electrical power trans mission/distribution system, mainly in order to cut off and the closed non-loaded single-phase or three-phase circuit (but on-load operation behind the cooperation specific purpose tool) that voltage is arranged.
The environment for use condition
1. height above sea level is no more than 2000 meters; 2. ambient temperature: high ambient temperature is not higher than+and 45 ℃; Minimum ambient temperature is not less than-40 ℃; 3. outdoor wind speed is no more than 35 meter per seconds; 4. earthquake intensity is no more than 9 grades; 5. the installation site should not have gas, steam, deposition, salt fog, dust dirt and other explosives of chemical property, the erosion medium that has a strong impact on switch insulation and conductive capability.6. the installation site should not have frequent strenuous vibration.
Preparation before installing
2.1 the dust on the elimination switch, dirt carefully clean the porcelain insulator surface;
2.2 smear conductive paste in rotation and position, contact.
Make regular check on project every year
3.1 remove filth, particularly current-carrying part, contact and porcelain insulator surface;
3.2 check each parts not damaged is arranged, pay special attention to porcelain vase and have or not damage, break;
3.3 whether contact-making surface, the contact of inspection current-carrying part be good.
The dynamic duty process of isolating switch:
Mounting means: adopt the inclination miter angle or be inverted the two kinds of modes of installing
During operate as normal: during the isolating switch operate as normal, the fixed contact sheet of two ends is connected with lead, and disconnecting link moving contact sheet closely contacts with the ligule fixed contact, and electric current passes through, and the work of whole piece line conduction guarantees normal power supply use.
When circuit breaks off (separation): when circuit needs local the power failure; Draw the draw ring on the isolating switch to operate with insulated tension pole, pull-up disconnecting link moving contact separates with ligule fixed contact contact site, and two former devices of conduction separate disconnection; Make circuit reach the power failure requirement, reach the purpose of repair and maintenance.
After the disconnecting link moving contact draws back separation, can be put into 90 degree or 160 degree according to the job requirements at scene.
Circuit closes a floodgate: with pull bar the draw ring of isolating switch is carried out closing operation, the disconnecting link moving contact of firmly slippaging contacts with the ligule fixed contact, up to spacing place, and then closing operation process completion.

Claims (8)

1. novel outdoor AC high-voltage isolating switch; This isolating switch is made up of porcelain insulator, a fixed contact sheet, stiffener, fixed contact, caging bolt, goat's horn gold utensil, draw ring, draw ring alignment pin, switch, 160 ° of alignment pins of disconnecting link, 90 ° of alignment pins of disconnecting link, limit base, conduction coupling assembling, another fixed contact, base plate; It is characterized in that a said porcelain insulator (1) bottom is connected with base plate (15) one ends; A said porcelain insulator (1) other end is connected with a fixed contact lug plate (2) through caging bolt (5); A said fixed contact sheet (2) is connected with fixed contact (4); Said base plate (15) other end is connected with another porcelain insulator (1-1); Said another porcelain insulator (1-1) other end is connected with limit base (12) through bolt with another fixed contact lug plate (14); Said limit base (12) is articulated and connected through bolt and switch (9) one ends, and said switch (9) left end is provided with 160 ° of disconnecting link alignment pins or 90 ° of disconnecting link alignment pins, and right part is connected with draw ring (7) through draw ring alignment pin (8) in the switch (9); Said switch (9) other end is connected with goat's horn gold utensil (6) with stiffener (3) one ends through bolt; Said stiffener (3) other end is connected with conduction coupling assembling (16), and wherein said conduction coupling assembling (16) is made up of inclination fixed contact (19), switch moving contact (18), stiffener (3), and said inclination fixed contact (19) inserts in the switch moving contact (18) and closely connects.
2. according to the said a kind of novel outdoor AC high-voltage isolating switch of claim 1, it is characterized in that said static contact isolation switch is an inclination ligule fixed contact.
3. according to the said a kind of novel outdoor AC high-voltage isolating switch of claim 1, it is characterized in that said switch edge is the circular arc type structure.
4. according to the said a kind of novel outdoor AC high-voltage isolating switch of claim 1, it is characterized in that said draw ring is a rigidity draw ring snap close.
5. according to the said a kind of novel outdoor AC high-voltage isolating switch of claim 1, it is characterized in that said limit base is that the fixing contact of multiple spot connects.
6. according to the said a kind of novel outdoor AC high-voltage isolating switch of claim 1, it is characterized in that said base plate is the slide opening structure.
7. according to the said a kind of novel outdoor AC high-voltage isolating switch of claim 1, it is characterized in that said porcelain insulator connects for two bolt.
8. according to the said a kind of novel outdoor AC high-voltage isolating switch of claim 1, it is characterized in that said moving contact is for strengthening moving contact.
CN 201220250957 2012-05-31 2012-05-31 Novel outdoor AC high-voltage isolation switch Expired - Fee Related CN202616126U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220250957 CN202616126U (en) 2012-05-31 2012-05-31 Novel outdoor AC high-voltage isolation switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220250957 CN202616126U (en) 2012-05-31 2012-05-31 Novel outdoor AC high-voltage isolation switch

Publications (1)

Publication Number Publication Date
CN202616126U true CN202616126U (en) 2012-12-19

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ID=47349800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220250957 Expired - Fee Related CN202616126U (en) 2012-05-31 2012-05-31 Novel outdoor AC high-voltage isolation switch

Country Status (1)

Country Link
CN (1) CN202616126U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114141567A (en) * 2021-12-08 2022-03-04 广东电网有限责任公司 Terminal box
CN118156076A (en) * 2024-05-10 2024-06-07 上海涵嘉电气设备有限公司 High-voltage isolating switch

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114141567A (en) * 2021-12-08 2022-03-04 广东电网有限责任公司 Terminal box
CN114141567B (en) * 2021-12-08 2023-06-23 广东电网有限责任公司 Junction box
CN118156076A (en) * 2024-05-10 2024-06-07 上海涵嘉电气设备有限公司 High-voltage isolating switch

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121219

Termination date: 20150531

EXPY Termination of patent right or utility model