CN202384275U - Frame-type circuit breaker - Google Patents
Frame-type circuit breaker Download PDFInfo
- Publication number
- CN202384275U CN202384275U CN2011205544155U CN201120554415U CN202384275U CN 202384275 U CN202384275 U CN 202384275U CN 2011205544155 U CN2011205544155 U CN 2011205544155U CN 201120554415 U CN201120554415 U CN 201120554415U CN 202384275 U CN202384275 U CN 202384275U
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- frame
- energy
- breaker
- energy storage
- type circuit
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Abstract
Disclosed is a frame-type circuit breaker which belongs to the field of low-voltage electrical equipment. The frame-type circuit breaker comprises a case, terminal blocks arranged outside the case and a spindle. A contact device, a breaking mechanism and an elastic energy storage device are arranged in the case. The breaking mechanism comprises a trip device which enables the contact device to break and make and an operation device which provides external breaking force for the trip device. The frame-type circuit breaker is characterized in that the elastic energy storage device comprises an energy storage spring, an elastic energy storage action mechanism which converts mechanical energy and electromagnetic energy into elastic potential energy of the energy storage spring, and a limit mechanism which limits positions of the energy storage spring; the contact device is provided with a contact locking device which comprises a bracket; a restoring spring is fixed on the bracket; a balancing block is connected to another end of the restoring spring; a first retainer is connected to another end of the balancing block; and a second retainer is sleeved on the spindle of the circuit breaker.
Description
Technical field
The utility model relates to a kind of frame-type circuit-breaker, belongs to the low-voltage electrical apparatus field.
Background technology
Low-voltage circuit breaker is mainly born overload, short circuit, the under-voltage protection of distribution line and power consumption equipment; When abnormal conditions in normal circuit, occurring as above; The circuit breaker automatic disconnection; To reach the purpose of cutting off circuit supply, protected the safety of Circuits System, effectively avoided device damage and operating personnel's injures and deaths.
With regard to existing frame circuit breaker is on the function, when overhaul operate a switch after, the maintainer does not fulfil assignment as yet; If this moment, circuit breaker closed a floodgate rashly, not only can cause the fault of electrical network, more can influence people's life security; At present two kinds of measures are taked in the power station, and are a kind of for the maintenance worker goes out preceding cut-off breaker, hang up tight scholar's plate in the above; Plate is ignored by the power station staff easily in this measure, and mistake is closed a floodgate, and influences maintenance worker's life security; Another kind of for to lock to circuit breaker; Unblank after the maintenance worker the returns measure of closing a floodgate has solved this problem to a certain extent, but has had the not high situation of artificial long-acting rate return interval; The frame-type circuit breaker operational environment is complicated and changeable in addition; Especially local in some industrial and mineral types, vibrate more violent, if fruit is opened a sluice gate or closes a floodgate and bring tremendous loss then can for the personal and property of people because of vibration makes circuit breaker.
Summary of the invention
Not enough to the safety assurance in operation of available frame formula circuit-breaker, to closing a floodgate and opening a sluice gate none suitable guard method.It is higher that the utility model aims to provide a kind of security performance, more easily the frame-type circuit-breaker.
The technical scheme that the utility model provides is:
A kind of frame-type circuit-breaker; Comprise housing, be located at the binding post of said outside; Be provided with contact apparatus, disjunction mechanism, elastic energy storage device in circuit breaker main shaft, the described housing; Said disjunction mechanism comprises the trip gear that makes said contact apparatus breaking and closing and comprises energy-stored spring, mechanical energy or electromagnetic energy are converted into the elastic energy storage actuating mechanism of energy-stored spring elastic potential energy for said trip gear provides the operating means of disjunction external force, said elastic energy storage device, said energy-stored spring is carried out spacing position-limit mechanism; Said contact apparatus is provided with contact locking device; Said contact locking device comprises support, is fixed with back-moving spring on the said support, and the other end of back-moving spring is connected with balance weight; The other end of balance weight connects first retainer, and said circuit breaker collar bush is provided with second retainer.
Further optimize as this programme; Compact heap, the first interlock piece that said elastic energy storage mechanism comprises input part, first eccentric wheel, said energy-stored spring is compressed; Said first eccentric wheel is fixedly installed on the said main shaft, and be connected with the first interlock piece respectively, compact heap links to each other.
Further optimize as this programme, said position-limit mechanism comprises ratchet interlock piece, spacing rotating disk; Said ratchet interlock piece is coupling in said housing, carries out the individual event rotary spacing through stop screw, makes it can only one-directional rotation; It is provided with a trigger end and a positive stop end; Said spacing rotating disk is fixedly connected on said main shaft, which is provided with some spacing preiections, and described spacing preiection and described positive stop end offset.
As further optimizing again of this programme, said first retainer is provided with some openings, and it is sheathed on said main shaft one end.
As further optimizing again of this programme, also be provided with man-machine communication's panel on the said housing.
The technical conceive of the utility model is: because the existence of energy storage device, often deposit has enough elastic potential energys to supply to take off mouthful device and take off mouth fast to reach in energy-stored spring, reduces the purpose of the ablation of contact of breaker.If but energy-stored spring is not limited then can cause the release easily of elastic potential energy, to such an extent as to the combined floodgate of circuit breaker or separating brake, the circuit breaker energy storage device is provided with a position-limit mechanism now; Thereby the energy storage of controlling energy-stored spring is in release; Making in operation can be not improper because of operation, perhaps because other extenal causes cause the release of energy-stored spring elastic potential energy easily, has reduced the safety of the person and property; Simultaneously also make the physical life of circuit breaker higher; And on contact apparatus, be provided with a contact motion locking device, when being in latched position, contact can not close a floodgate or open a sluice gate easily; Protect the useful life of short-circuiting device, also protected operating personnel's safety simultaneously.
Than prior art, the beneficial effect of the utility model is: simple in structure, security performance is higher, can effectively safeguard operator and user's safety.
Description of drawings
Fig. 1 is a kind of frame-type circuit-breaker of the utility model general structure sketch map;
Fig. 2 is a kind of frame-type circuit-breaker of the utility model interior section structural representation;
Fig. 3 is a kind of frame-type circuit-breaker of the utility model contact limiting mechanism structural representation.
Embodiment
The embodiment that sets forth below represents and allows those skilled in the art to put into practice necessary information of the present invention, and illustrates and put into practice best mode of the present invention.In case according to advantages below description, those skilled in the art just will understand design of the present invention and will recognize the application of these designs of not illustrating especially here.Should be appreciated that these designs and application fall into the scope of disclosure and the accompanying claims book.
Shown in accompanying drawing 1-3, a kind of frame-type circuit-breaker comprises housing 1; Said housing 1 is provided with the binding post 2 that is connected with outside line, and binding post 2 comprises an outlet contiguous block 21 and an inlet wire contiguous block 22, and its quantity can be consistent with the quantity of phase line; Wherein said contiguous block 21 appears and a moving contact (not shown) is coupling; Itself then for being electrically connected, through the swing of said moving contact, has then realized the conducting of circuit when it is connected with said fixed contact.Disjunction mechanism 3 is arranged in the said housing; In order to the combined floodgate of realizing said frame circuit breaker and the action of tripping operation, described disjunction mechanism comprises operating means 31 and trip gear 32; Described trip gear 32 receives when triggering; Can make through the effect of operating means 31 moving contact swing, thereby realize the conducting or the disconnection of the circuit that breaker body connected that described operating means 31 can provide power to make said dropout 32 device disjunctions perhaps close a floodgate; Described operating means comprises: an energy-stored spring 311; An one energy storage actuating mechanism 312 and a position-limit mechanism 313, wherein said energy-stored spring 311 reaches instantaneous feed motion in order to realize the closing function of described frame circuit breaker body through its potential energy of being stored simultaneously; Described energy storage actuating mechanism is converted into mechanical energy or electromagnetic energy the elastic potential energy of energy-stored spring 311; Affiliated energy storage actuating mechanism can be that handle also can be a motor-operating mechanism; Compact heap 316, the first interlock piece 317 that elastic energy storage mechanism 312 comprises input part 314, first eccentric wheel 315, said energy-stored spring 311 is compressed; Said first eccentric wheel 314 is fixedly installed on the said main shaft, and be connected with the first interlock piece 317 respectively, compact heap 316 links to each other.
Said position-limit mechanism 4 comprises ratchet interlock piece 41, spacing rotating disk 42, and said ratchet interlock piece 41 is coupling in said housing 1; Carry out the individual event rotary spacing through stop screw; Make it can only one-directional rotation, it be provided with a trigger end 411 and a positive stop end 412, and said spacing rotating disk 42 is fixedly connected on said main shaft 6; Which is provided with some spacing preiections 413, described spacing preiection 413 offsets with described positive stop end 412.
Said contact apparatus is provided with contact locking device 5; Said contact locking device 5 comprises support 51; Be fixed with back-moving spring 52 on the said support; The other end of back-moving spring 52 is connected with balance weight 53, and the other end of balance weight 53 connects first retainer 54, and the said main shaft 6 that opens circuit is arranged with second retainer 55.Said first retainer 54 and second retainer 55 all are installed on the right-hand member of main shaft 6, and are provided with opening.Circuit breaker is rotated counterclockwise, and can make breaker closing, and therefore open position utilizes first retainer 54 and second retainer 55 on circuit breaker; Circuit breaker main shaft 6 is locked, can prevent 6 rotations of circuit breaker main shaft, when circuit breaker needs normally closed; The closing relay of circuit breaker capable of using or closing by hand button with 54 releases of first retainer, so just can not influence the normally closed of circuit breaker; When the circuit breaker disjunction; Under the effect of back-moving spring 52, shift thrust piece onto the thrust piece locking position, so just played the contact restriction.Also be provided with man-machine communication's panel 7 on the said housing.
Because the existence of energy storage device, often deposit has enough elastic potential energys to supply to take off mouthful device and take off mouth fast to reach in energy-stored spring 311, reduces the purpose of the ablation of contact of breaker.If but energy-stored spring 311 is not limited then can cause the release easily of elastic potential energy, to such an extent as to the combined floodgate of circuit breaker or separating brake, the circuit breaker energy storage device is provided with a position-limit mechanism now; Thereby the energy storage of controlling energy-stored spring is in release; Making in operation can be not improper because of operation, perhaps because other extenal causes cause the release of energy-stored spring elastic potential energy easily, has reduced the safety of the person and property; Simultaneously also make the physical life of circuit breaker higher; And on contact apparatus, be provided with a contact motion locking device, when being in latched position, contact can not close a floodgate or open a sluice gate easily; Protect the useful life of short-circuiting device, also protected operating personnel's safety simultaneously.
Claims (6)
1. frame-type circuit-breaker; Comprise housing, be located at the binding post of said outside; Be provided with contact apparatus, disjunction mechanism, elastic energy storage device in circuit breaker main shaft, the described housing; Said disjunction mechanism comprises the trip gear that makes said contact apparatus breaking and closing and for said trip gear provides the operating means of disjunction external force, it is characterized in that: said elastic energy storage device comprises energy-stored spring, mechanical energy or electromagnetic energy is converted into the elastic energy storage actuating mechanism of energy-stored spring elastic potential energy, and said energy-stored spring is carried out spacing position-limit mechanism; Said contact apparatus is provided with contact locking device; Said contact locking device comprises support, is fixed with back-moving spring on the said support, and the other end of back-moving spring is connected with balance weight; The other end of balance weight connects first retainer, and said circuit breaker collar bush is provided with second retainer.
2. a kind of frame-type circuit-breaker as claimed in claim 1; It is characterized in that: compact heap, the first interlock piece that said elastic energy storage mechanism comprises input part, first eccentric wheel, said energy-stored spring is compressed; Said first eccentric wheel is fixedly installed on the said main shaft, and be connected with the first interlock piece respectively, compact heap links to each other.
3. a kind of frame-type circuit-breaker as claimed in claim 2 is characterized in that: said position-limit mechanism comprises ratchet interlock piece, spacing rotating disk; Said ratchet interlock piece is coupling in said housing, carries out the individual event rotary spacing through stop screw, makes it can only one-directional rotation; It is provided with a trigger end and a positive stop end; Said spacing rotating disk is fixedly connected on said main shaft, which is provided with some spacing preiections, and described spacing preiection and described positive stop end offset.
4. a kind of frame-type circuit-breaker as claimed in claim 3 is characterized in that: said first retainer is provided with some openings, and it is sheathed on said main shaft one end.
5. a kind of frame-type circuit-breaker as claimed in claim 3 is characterized in that: said second retainer is provided with some openings, and it is sheathed on said main shaft one end.
6. like any described a kind of frame-type circuit-breaker of claim 1-5, it is characterized in that: also be provided with man-machine communication's panel on the said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205544155U CN202384275U (en) | 2011-12-27 | 2011-12-27 | Frame-type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205544155U CN202384275U (en) | 2011-12-27 | 2011-12-27 | Frame-type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202384275U true CN202384275U (en) | 2012-08-15 |
Family
ID=46632760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205544155U Expired - Fee Related CN202384275U (en) | 2011-12-27 | 2011-12-27 | Frame-type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202384275U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105788949A (en) * | 2016-05-25 | 2016-07-20 | 林益晶 | Design method for frame circuit breaker |
| CN105931927A (en) * | 2016-05-25 | 2016-09-07 | 林益晶 | Frame circuit breaker |
| CN106128874A (en) * | 2015-05-04 | 2016-11-16 | 现代重工业株式会社 | Chopper |
-
2011
- 2011-12-27 CN CN2011205544155U patent/CN202384275U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106128874A (en) * | 2015-05-04 | 2016-11-16 | 现代重工业株式会社 | Chopper |
| CN106128874B (en) * | 2015-05-04 | 2018-10-16 | 现代电力与能源系统株式会社 | Breaker |
| CN105788949A (en) * | 2016-05-25 | 2016-07-20 | 林益晶 | Design method for frame circuit breaker |
| CN105931927A (en) * | 2016-05-25 | 2016-09-07 | 林益晶 | Frame circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120815 Termination date: 20141227 |
|
| EXPY | Termination of patent right or utility model |