CN103177908A - Universal circuit breaker - Google Patents
Universal circuit breaker Download PDFInfo
- Publication number
- CN103177908A CN103177908A CN2011104294744A CN201110429474A CN103177908A CN 103177908 A CN103177908 A CN 103177908A CN 2011104294744 A CN2011104294744 A CN 2011104294744A CN 201110429474 A CN201110429474 A CN 201110429474A CN 103177908 A CN103177908 A CN 103177908A
- Authority
- CN
- China
- Prior art keywords
- contact
- bus bar
- transition
- integrated
- row
- 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.)
- Granted
Links
Images
Landscapes
- Circuit Breakers (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention relates to a universal circuit breaker which mainly comprises an insulation casing, a conductive system, an arc extinguishing system and an operation mechanism. The conductive system is composed of a moving contact system and a fixed contact system, a fixed contact bus bar and a transition connecting bar are integrated, a moving contact bus bar and a transition connecting bar are integrated, the integrated fixed contact bus bar and transition connecting bar is basically L-shaped, one end of the integrated fixed contact bus bar and transition connecting bar is contacted with a silver alloy contact, and one end of the integrated fixed contact bus bar and transition connecting bar is fixedly connected with a conductive bus bar or movably connected with a drawing frame bridge type contact. The proportion of the L-shaped fixed contact bus bar and two arms of the transition connecting bar is larger than 2/5 and less than 3. The integrated moving contact bus bar and transition connecting bar is L-shaped, one end of the integrated moving contact bus bar and transition connecting bar is connected with a soft wire in the moving contact system, one end of the integrated moving contact bus bar and transition connecting bar is fixedly connected with the conductive bus bar or movably connected with the drawing frame bridge type contact, and central distance of the moving contact transition connecting bar and the fixed contact transition connecting bar of the circuit breaker is larger than 120mm. The universal circuit breaker can effectively save copper materials and reduce inner resistance.
Description
Technical field
The present invention relates to a kind of omnipotent breaker, belong to the electric switch field.
Background technology
Circuit breaker is most important controller switching equipment in low-voltage distribution system, along with the development of power industry and the competition in market, releases one after another the circuit breaker of a new generation both at home and abroad.Conducting system is one of most important part in circuit breaker.Conducting system is divided into body conducting system and drawer conducting system in frame-type circuit breaker, wherein the body conducting system is comprised of movable contact system and static contact system, has all comprised a busbar of fixing with insulation shell in movable contact system or static contact system no matter be.Present this busbar in processing mode mainly by forging molding with draw moulding.The characteristics of forging molding are that plastic cross section is inconsistent and meet the busbar of Forging Technology.Carry out secondary operations after forging, the secondary operations amount is larger, and processing cost is high.The characteristics that draw moulding be only can moulding the cross section consistent and meet the busbar of drawing process.It can draw section bar in batches, then carries out secondary operations.Its secondary operations surplus is little, and processing cost is low.
Fig. 1 is known technology one, and the busbar of its dynamic and static contact becomes 1 shape substantially, all adopts to draw section bar by the secondary operations gained.The busbar that the advantage of this structure is dynamic and static contact all can be directly as the slotting tool of drawer bridge type contact system, compare the quantity that another kind of known technology two has reduced contact-making surface, under equal conditions, can effectively reduce the internal resistance of circuit breaker, promote its thermal stability; Processing is simple, and copper consumption is few, and is simple in structure, saves cost.Its shortcoming is the busbar that is limited by 1 font, in the equal volume situation, has enough spaces for guaranteeing arc control device, causes the spacing between line less, is labeled as the size of L in as shown, causes switch to connect the conductive bus bar difficulty large, has potential safety hazard.Shown in 2, its dynamic and static contact busbar shape is all irregular as shown for the known technology two of electric switch at present, needs to adopt the rear secondary operations moulding of forging.Add a transition busbar between body conducting system and drawer bridge type contact, the one side of this transition busbar is conducted electricity by screw in compression with the one side of dynamic/static contact.Clearly, this technology extremely goes up many two busbars compared to known technology one at each, many two contact-making surfaces.Under similar circumstances, must increase internal resistance, if obtain the internal resistance suitable with known technology one, must be by increasing contact-making surface, will increase the consumption of copper material like this, the secondary processing cost of adding forging is high, so the overall cost of this kind switch that technology is made is higher.
Summary of the invention
In view of above-mentioned, the purpose of this invention is to provide a kind of omnipotent breaker, it has, and busbar structure is simple, easy to process, and circuit breaker contact persistence is little, and the large characteristics of line spacing.
The present invention is achieved through the following technical solutions:
A kind of omnipotent breaker mainly comprises insulation shell, conducting system, arc quenching system, operating mechanism, control section; Wherein insulation shell mainly is comprised of pedestal and base plate.Conducting system mainly is comprised of movable contact system and static contact system.Movable contact system is driven by operating mechanism and separates with static contact system and closure, with separating brake and the combined floodgate of realizing circuit breaker.The fixed contact busbar is connected row with transition integrated, and movable contact bus bar is connected row with transition integrated; Integrated fixed contact busbar be connected with transition row basic configuration be L shaped or
Shape, the silver alloy contact of one end and fixed contact contacts, the other end be fixedly connected with conductive bus bar or with take out the bridge-type contact and be flexibly connected; L shaped fixed contact busbar is connected row's arm ration greater than 2/5 and less than 3 with transition.What integrated movable contact bus bar was connected row with transition is shaped as 1 shape, and the one end is connected with flexible conductor in movable contact system, the other end be fixedly connected with conductive bus bar or with take out the flexible connection of bridge-type contact.The dynamic and static contact transition of circuit breaker connects row's centre-to-centre spacing greater than 120mm.
Further:
Described
Shape fixed contact busbar is connected row's gross thickness greater than 30mm with transition.
Further:
Described integrated movable contact bus bar is connected being shaped as of row with transition Z-shaped.
Again further:
Described movable contact bus bar is connected with the pedestal of insulation shell by a L bracket.
The invention has the beneficial effects as follows:
1. solved the busbar processing cost high, the problem that copper consumption is many can effectively reduce costs, and improves product competitiveness;
2. reduce the number of contact-making surface, can effectively reduce contact resistance, and then reduced the internal resistance of whole circuit breaker, strengthened the thermal stability of circuit breaker.
3. simple in structure, easy for installation;
4. the line spacing is large, improves the security performance of interpolar safe distance and switch;
Description of drawings:
Fig. 1 is known technology one schematic diagram;
Fig. 2 is known technology two schematic diagrames;
Fig. 3 is one of first embodiment of the invention structure diagram;
Fig. 4 is two of first embodiment of the invention structure diagram;
Fig. 5 is one of second embodiment of the invention structure diagram;
Fig. 6 is two of second embodiment of the invention structure diagram;
Fig. 7 is the third embodiment of the invention structure chart;
Fig. 8 is L shaped fixed contact schematic diagram;
Fig. 9 is Z-shaped fixed contact schematic diagram.
In figure: 1. insulating body, 2. circuit breaker drawer part, 11. pedestals, 12. base plates, 13. movable contact systems, 131. flexible conductors, 14. static contact systems, 141. silver alloy contacts, 15. fixed contact busbars, 16. movable contact bus bars, 17. arc quenching systems, 18. transition busbars, 19.L shape support, 21. bridge type contact 31. conductive bus bars.
Embodiment:
The present invention relates to a kind of omnipotent breaker, mainly comprise insulation shell, conducting system, arc quenching system, operating mechanism, control section.Wherein: insulation shell mainly is comprised of pedestal and base plate.Conducting system mainly is comprised of movable contact system and static contact system.Movable contact system is driven by operating mechanism and separates with static contact system and closure, with separating brake and the combined floodgate of realizing circuit breaker.The fixed contact busbar is connected row with transition integrated, and movable contact bus bar is connected row with transition integrated; Integrated fixed contact busbar be connected with transition row its basic configuration be L shaped or
Shape, the one end contacts with the silver alloy contact.One end be fixedly connected with conductive bus bar or with take out the bridge-type contact and be flexibly connected; L shaped fixed contact busbar is connected row's arm ration greater than 2/5 and less than 3 with transition.Integrated movable contact bus bar is connected row, and it is shaped as 1 shape with transition, and the one end is connected with flexible conductor in movable contact system, an end be fixedly connected with conductive bus bar or with take out the flexible connection of bridge-type contact.The dynamic and static contact transition of circuit breaker connects row's centre-to-centre spacing greater than 120mm.Integrated fixed contact busbar is connected row, and it is shaped as with transition
Shape, its gross thickness is greater than 30mm.Movable contact bus bar is connected being shaped as of row with transition Z-shaped.Movable contact bus bar is connected with the pedestal of insulation shell by a L bracket.
Describe in detail below in conjunction with accompanying drawing.
As shown in Figure 3, this structure is the fixed breaker schematic diagram.Universal circuit breaker of the present invention mainly comprises insulation shell, conducting system, arc quenching system, operating mechanism, control section.Wherein: insulation shell 1, it mainly is comprised of pedestal 11 and base plate 12, and pedestal 11 all uses insulating material to make with base plate 12.Conducting system mainly is comprised of movable contact system 13 and static contact system 14, and movable contact system is driven to move by operating mechanism and separates with static contact system and closure, with separating brake and the combined floodgate of realizing circuit breaker.Comprised the integrated movable contact bus bar 16 that is fixed on body in movable contact system and be connected row 18 with transition, comprised the integrated fixed contact busbar 15 that is fixed on body in static contact system and be connected row 18 with transition.Arc quenching system 17 is used for extinguishing the electric arc of generation when the circuit breaker breaking current.
Integrated fixed contact busbar is connected row and is shaped as L shapedly with transition, L shaped fixed contact busbar is connected the two arm A that arrange and B ratio greater than 2/5 and less than 3 (Fig. 8) with transition.The one end contacts with silver alloy contact 141, and the other end is fixedly connected with conductive bus bar 31.
Integrated movable contact bus bar is connected row and is shaped as 1 shape with transition, the one end is connected with flexible conductor 131 in movable contact system, the other end is fixedly connected with 1 with conductive bus bar 31, and by L bracket 19, movable contact bus bar 16 is fixed on pedestal 11, its L shaped one side is fixed by screws on pedestal 11, and another side is fixed by screws on the one side of moving contact.Moving, the fixed contact transition connects row's centre-to-centre spacing L greater than 120mm.
Also can be as shown in Figure 4, this structure is withdrawable circuit breaker, transition is connected row 18 directly and bridge type contact 21 flexible connections of drawer part to its fixed contact transition connection row 18 with moving contact.The same fixed breaker of all the other structures.
And for example shown in one of Fig. 5 second embodiment of the invention structure diagram, fixed contact busbar 15 structures are
Type, its gross thickness size H (Fig. 9) is greater than 30mm.Movable contact bus bar 16 structures are 1 font, and by L bracket 19, movable contact bus bar 16 are fixed on pedestal 11.Can directly be fixedly connected with conductive bus bar 31 after fixed contact busbar 15 and movable contact bus bar 16.Also can be flexibly connected with drawer bridge type contact 21 partly as shown in Figure 6.
Shown in Fig. 7 third embodiment of the invention structure chart, integrated fixed contact busbar 15 is connected row's 18 structures with transition be L-type for another example.Integrated movable contact bus bar 16 is connected row's 18 structures with transition be Z-shaped, and by L bracket 19, movable contact bus bar 16 is fixed on pedestal 11.The fixed contact transition connects row 18, and transition is connected and arranges 18 back and can directly connect external busbar with fixed contact.
Omnipotent breaker body of the present invention has following innovation form:
1. it is consistent and meet the drawing moulding process that integrated dynamic and static contact busbar and the transition version that connects row is the cross section.Can save copper material, save processing charges, have Eco-power characteristics.
Integrated dynamic and static contact busbar be connected with transition row all can be directly as the slotting tool of drawer bridge type contact.Reduce contact-making surface, and then reduce the internal resistance of circuit breaker.
3. fixed contact is L shaped reaches
The ingehious design of shape can improve the distance between line.Reduce the potential safety hazard of switch.
What need statement is; above-described embodiment only is used for that the present invention will be described but not limits the invention; therefore; for a person skilled in the art; in the situation that do not deviate from spirit and scope of the invention, it is carried out various apparent changes, all should be within protection scope of the present invention.
Claims (4)
1. an omnipotent breaker, comprise insulation shell, conducting system, operating mechanism; Conducting system mainly is comprised of movable contact system and static contact system, and the fixed contact busbar in static contact system is connected row with transition integrated, and the movable contact bus bar in movable contact system is connected row with transition integrated, it is characterized in that:
Integrated fixed contact busbar be connected with transition row basic configuration be L shaped or
Shape, the one end contacts with the contact of fixed contact, the other end be fixedly connected with conductive bus bar or with take out the bridge-type contact and be flexibly connected;
L shaped fixed contact busbar is connected row's arm ration greater than 2/5 and less than 3 with transition;
What integrated movable contact bus bar was connected row with transition is shaped as 1 shape, and the one end is connected with flexible conductor in movable contact system, the other end be fixedly connected with conductive bus bar or with take out the flexible connection of bridge-type contact;
Moving contact transition connection drains into the fixed contact transition and connects row's centre-to-centre spacing greater than 120mm.
2. omnipotent breaker as claimed in claim 1 is characterized in that:
Described
Shape fixed contact busbar is connected row's gross thickness greater than 30mm with transition.
3. described omnipotent breaker as claimed in claim 1 is characterized in that:
Described integrated movable contact bus bar is connected being shaped as of row with transition Z-shaped.
4. omnipotent breaker as claimed in claim 1 is characterized in that:
Described movable contact bus bar is connected with the pedestal of insulation shell by a L bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429474.4A CN103177908B (en) | 2011-12-20 | 2011-12-20 | A kind of omnipotent breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429474.4A CN103177908B (en) | 2011-12-20 | 2011-12-20 | A kind of omnipotent breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103177908A true CN103177908A (en) | 2013-06-26 |
| CN103177908B CN103177908B (en) | 2016-03-16 |
Family
ID=48637690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110429474.4A Active CN103177908B (en) | 2011-12-20 | 2011-12-20 | A kind of omnipotent breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103177908B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2840582A1 (en) * | 2013-08-21 | 2015-02-25 | Siemens Aktiengesellschaft | Angular adjustable rear stud for molded case circuit breaker |
| CN105762026A (en) * | 2016-05-10 | 2016-07-13 | 首瑞（北京）投资管理集团有限公司 | Universal circuit breaker |
| CN106129885A (en) * | 2016-08-19 | 2016-11-16 | 天津市百利电气有限公司 | Frame-type isolator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673878U (en) * | 2010-05-10 | 2010-12-15 | 浙江天正电气股份有限公司 | Bridge type contact connecting device of universal breaker |
| CN201829438U (en) * | 2010-11-01 | 2011-05-11 | 浙江福岛科技股份有限公司 | Static contact mechanism of circuit breaker |
| CN202651005U (en) * | 2011-12-20 | 2013-01-02 | 首瑞（北京）投资管理集团有限公司 | Circuit breaker |
-
2011
- 2011-12-20 CN CN201110429474.4A patent/CN103177908B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201673878U (en) * | 2010-05-10 | 2010-12-15 | 浙江天正电气股份有限公司 | Bridge type contact connecting device of universal breaker |
| CN201829438U (en) * | 2010-11-01 | 2011-05-11 | 浙江福岛科技股份有限公司 | Static contact mechanism of circuit breaker |
| CN202651005U (en) * | 2011-12-20 | 2013-01-02 | 首瑞（北京）投资管理集团有限公司 | Circuit breaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2840582A1 (en) * | 2013-08-21 | 2015-02-25 | Siemens Aktiengesellschaft | Angular adjustable rear stud for molded case circuit breaker |
| US9178338B2 (en) | 2013-08-21 | 2015-11-03 | Siemens Aktiengesellschaft | Angular adjustable rear stud for molded case circuit breaker |
| CN105762026A (en) * | 2016-05-10 | 2016-07-13 | 首瑞（北京）投资管理集团有限公司 | Universal circuit breaker |
| CN106129885A (en) * | 2016-08-19 | 2016-11-16 | 天津市百利电气有限公司 | Frame-type isolator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103177908B (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201985012U (en) | Edge structure of alternating current (AC) high voltage isolator | |
| CN103177908B (en) | A kind of omnipotent breaker | |
| CN108649475B (en) | Double-bus switch cabinet | |
| CN203552958U (en) | Large-current isolation switch structure | |
| CN202651005U (en) | Circuit breaker | |
| CN202268181U (en) | L-shaped copper bar | |
| CN207489781U (en) | A kind of breaker with built-in type conductive plate | |
| CN2914422Y (en) | Multistep generatrix plastic removal low voltage cable branch box | |
| CN203587620U (en) | End part backflow structure for GIS temperature rise test | |
| CN203086036U (en) | Busbar system of withdrawable circuit breaker | |
| CN205582801U (en) | Isolator earthing knife -switch in cubical switchboard | |
| CN201466494U (en) | Low voltage power distribution set switching device | |
| CN203674064U (en) | Split type solid-sealed post terminal structure | |
| CN201689699U (en) | Stepped silver-plated L-shaped copper line | |
| CN201845569U (en) | Continuous extrusion U-shaped copper busbar for electrician | |
| CN107045964B (en) | Multipolar circuit breaker return circuit structure | |
| CN219457513U (en) | Moving contact mechanism of universal circuit breaker | |
| CN203931982U (en) | A kind of contact system of circuit breaker | |
| CN216353937U (en) | Medium-voltage 10KV combined solid-sealed polar pole | |
| CN201689704U (en) | Silver-plated U shaped copper bar | |
| CN201774170U (en) | Heavy-current isolation mechanism for high-voltage cabinet | |
| CN220873507U (en) | Fixed contact, breaking unit containing fixed contact and circuit breaker | |
| CN217642364U (en) | Novel tubular bus system of medium-voltage switch cabinet | |
| CN201060816Y (en) | Major loop movable contact bus bar of breaker | |
| CN201608391U (en) | Movable plug of main-circuit outgoing line and static socket thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |