CN204117982U - A kind of outdoor prepayment breaker - Google Patents
A kind of outdoor prepayment breaker Download PDFInfo
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- CN204117982U CN204117982U CN201420435867.5U CN201420435867U CN204117982U CN 204117982 U CN204117982 U CN 204117982U CN 201420435867 U CN201420435867 U CN 201420435867U CN 204117982 U CN204117982 U CN 204117982U
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Abstract
The utility model proposes a kind of outdoor prepayment breaker, comprise three-phase pole; Casing, three-phase pole is arranged on casing, is provided with aviation socket, operating mechanism, zero-sequence transformer, protection instrument transformer, voltage transformer and current transformer in casing, and zero-sequence transformer to be socketed in three-phase pole in A, B, C tri-pole wiring; Voltage transformer once goes out line parallel access three-phase main circuit, current transformer outlet series connection access three-phase main circuit; Protection instrument transformer is socketed in three-phase pole in A, C two pole wiring, and wherein zero-sequence transformer secondary outgoing line, voltage transformer secondary outlet, Current Transformer Secondary outlet and protection instrument transformer secondary outgoing line are all connected with aviation socket; In addition, current transformer and voltage transformer outside are provided with silastic-layer, and silastic-layer is outside equipped with glass fibre reinforced plastics casing; Base plate, is fixedly installed on the bottom of casing by fixture.
Description
Technical field
The utility model relates to power domain, refers to a kind of outdoor prepayment breaker especially.
Background technology
Along with the progress of social production, also increasing to the demand of electric energy.User and power consumption ever-increasing while, also the work such as power supply quality, the management of power use and electric fees charging are had higher requirement.In order to meet above requirement; more general way is that each high voltage customer installs an outdoor breaker at present; coordinate a combination transformer (including voltage transformer, current transformer) and the equipment such as metering ammeter, prepaid terminal; form a set of payment system, there is the effect such as managing electric quantity and protection.
Due to needs multiple equipment composition, during installation, not only workload large, waste time and energy, and routine use and management are also inconvenient.In order to overcome above shortcoming, occurred a kind of prepayment breaker, it is incorporated in circuit breaker by combination transformer, becomes circuit breaker/combination transformer integrated equipment.
But outdoor prepayment breaker conventional at present, being on the basis of old type tube circuit breaker, circuit breaker case being increased, then voltage transformer is arranged on lower box, is upper and lower packaging structure.Due to the reason of this body structure of old type tube circuit breaker, there are many defects: operating mechanism and box house (main circuit part) design for non-tight, wet gas and dust easily invade, thus cause condensation corroding metal parts and the electric component of box house, drive disk assembly, electric component corrosion can be caused time serious, cause circuit breaker tripping, short circuit, the generation of accident such as to puncture, thus shorten service life of equipment and affect power grid security.Secondly volume is large, is not easy to install and construction operation.
Utility model content
The utility model proposes a kind of outdoor prepayment breaker, solve outdoor prepayment breaker in prior art and do not tolerate the problem that outdoor harsh and unforgiving environments easily breaks down.
The technical solution of the utility model is achieved in that
A kind of outdoor prepayment breaker, comprising:
Three-phase pole;
Casing, three-phase pole is arranged on casing, an aviation socket, an operating mechanism, a zero-sequence transformer, two protection instrument transformers, two voltage transformers and two current transformers are provided with in casing, zero-sequence transformer is socketed in three-phase pole in A, B, C tri-pole wiring, and zero-sequence transformer secondary outgoing line is connected with aviation socket; Voltage transformer once goes out line parallel access three-phase main circuit, current transformer outlet series connection access three-phase main circuit, and voltage transformer secondary outlet and Current Transformer Secondary outlet all access aviation socket; Protection instrument transformer is socketed in three-phase pole in A, C two pole wiring, and zero-sequence transformer secondary outgoing line is connected with aviation socket; In addition, current transformer and voltage transformer outside are provided with silastic-layer, and silastic-layer is outside equipped with glass fibre reinforced plastics casing;
Base plate, is fixedly installed on the bottom of casing by fixture.
As further technical scheme, also comprise operating grip, be connected with operating mechanism.
As further technical scheme, three-phase pole is made up of resin matrix and silicon rubber umbrella skirt, and silicon rubber umbrella skirt is arranged on outside resin matrix.
As further technical scheme, base plate is provided with two mounting plates, mounting plate is provided with at least two installing holes.
As further technical scheme, base plate is steel plate base plate.
As further technical scheme, casing is stainless steel casing.
As further technical scheme, current transformer comprises annular core, annular core overlaps respectively outward and is provided with a current transformer outlet and Current Transformer Secondary outlet, a current transformer outlet and be provided with silastic-layer between Current Transformer Secondary outlet and annular core and outside two outlets, outside silastic-layer, be provided with glass fibre reinforced plastics casing.
As further technical scheme, operating grip is provided with sealing ring.
Operation logic of the present utility model is as follows:
Zero-sequence transformer, protection instrument transformer shield, and for testing circuit phase fault, overcurrent, ground connection, three-phase current major loop passes in the middle of current transformer, zero-sequence transformer secondary outgoing line access aviation socket; A, C biphase current major loop passes in the middle of protection instrument transformer, secondary outgoing line access aviation socket; A metering voltage transformer outlet adopts parallel way access three-phase main circuit, a current transformer for metering outlet adopts series system access three-phase main circuit, and wherein metering voltage transformer, current transformer for metering secondary outgoing line all access aviation socket; The control circuit of operating mechanism is connected with aviation socket, and by Dominating paths device mechanical action (vacuum interrupter cut-offs), responsible main circuit cut-offs.
The beneficial effects of the utility model are:
1, the utility model is for the service condition of outdoor prepayment breaker; product structure and annexation are designed; operating mechanism, zero-sequence transformer, protection instrument transformer, voltage transformer and current transformer is made all to be arranged in a casing; product structure is greatly meticulous; volume also reduces greatly, is convenient to product in transport and installation.
2, the utility model is to the structural design of voltage transformer and current transformer, voltage transformer and current transformer outside are added silastic-layer by cast form, silastic-layer has also added glass fibre reinforced plastics casing outward, this structure, the insulation property excellent by silicon rubber and high resiliency, effectively eliminate the internal stress of expanding with heat and contract with cold and producing, ensure that the safe operation of setting, and glass fibre reinforced plastics casing is not only silastic-layer and adds protected effect, can also increase that eliminating expands with heat and contract with cold produces the effect of internal stress; In addition, casing is formed by stainless steel materials bending, welding processing, and sealing is very good, can strengthen the protective capability to drive disk assembly, electric component further, thus greatly increase the useful life of outdoor prepayment breaker.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model backsight cross-sectional view;
Fig. 3 is the right cross-sectional view of the utility model;
Fig. 4 is current transformer cross-sectional view in the utility model;
Fig. 5 is that the utility model looks up structural representation.
In figure: 1, three-phase pole; 2, casing; 3, base plate; 31, mounting plate; 311, installing hole; 4, operating mechanism; 5, zero-sequence transformer; 6, voltage transformer; 7, current transformer; 71, annular core; 72, a current transformer outlet; 73, Current Transformer Secondary outlet; 8, instrument transformer is protected; 9, aviation socket; 101, operating grip; 202, silastic-layer; 203, glass fibre reinforced plastics casing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1 ~ Fig. 5, the outdoor prepayment breaker of the one that the utility model proposes, comprising:
Casing 2, three-phase pole 1 is arranged on casing 2, an aviation socket 9, operating mechanism 4, zero-sequence transformer 5, two protection instrument transformers 8, two voltage transformers 6 and two current transformers 7 are provided with in casing 2, zero-sequence transformer 5 is socketed in three-phase pole 1 in A, B, C tri-pole wiring, and the secondary outgoing line of zero-sequence transformer 5 is connected with aviation socket 9; Voltage transformer once goes out line parallel access three-phase main circuit, a current transformer outlet 72 series connection access three-phase main circuit, and voltage transformer secondary outlet and Current Transformer Secondary outlet 73 all access aviation socket 9; Protection instrument transformer 8 is socketed in three-phase pole 1 in A, C two pole wiring, and zero-sequence transformer secondary outgoing line is connected with aviation socket 9; In addition, current transformer 7 and voltage transformer 6 outside are provided with silastic-layer 202, and silastic-layer 202 is outside equipped with glass fibre reinforced plastics casing 203;
Base plate 3, is fixedly installed on the bottom of casing 2 by fixture.
The inlet wire pole of three-phase pole 1 connects external high pressure power supply, electric current introduced current transformer 7, voltage transformer 6; The outlet pole of three-phase pole 1 connects external high pressure power supply, and will flow through current transformer 7, and the electric current of voltage transformer 6 exports to outside line; High voltage, big current that outside is introduced by current transformer 7, voltage transformer 6 convert metered voltage needed for prepaid devices and metering current to.The aviation socket 9 that the working state signal of circuit breaker is all transferred to controller by zero-sequence transformer 5, protection instrument transformer 8, voltage transformer 6 and current transformer 7 is connected with peripheral control unit; The splitting or integrating lock action of circuit breaker is responsible for by operating mechanism 4, closed, the disjunction of completing circuit under the instruction of external control signal as required.
As further technical scheme, also comprise operating grip 101, be connected with operating mechanism 4.
As further technical scheme, three-phase pole 1 is made up of resin matrix and silicon rubber umbrella skirt, and silicon rubber umbrella skirt is arranged on outside resin matrix.
In the utility model, three-phase pole 1 does skeleton by resin, and external application silicon rubber umbrella skirt forms, and this project organization can the outdoor harsh and unforgiving environments of very effective tolerance, ensures normally to arrange operation and useful life.
As further technical scheme, base plate 3 is provided with two mounting plates 31, mounting plate 31 is provided with at least two installing holes 311.
As further technical scheme, base plate 3 is steel plate base plate.
In the utility model, base plate 3 is steel plate base plate, can ensure to install the stability of rear setting and the life-span of use, base plate 3 is provided with two mounting plates 31 in addition, and fix with the form of installing hole 311, have structure simple, install and the advantage such as convenient disassembly.
As further technical scheme, casing 2 is stainless steel casing.
In the utility model, casing 2 is formed by stainless steel materials bending, welding processing, and sealing is very good, can strengthen the protective capability to drive disk assembly, electric component further, thus greatly increase the useful life of outdoor prepayment breaker.
As further technical scheme, current transformer 7 comprises annular core 71, the outer cover respectively of annular core 71 is provided with a current transformer outlet 72 and Current Transformer Secondary outlet 73, a current transformer outlet 72 and be provided with silastic-layer 202 between Current Transformer Secondary outlet 73 and annular core 71 and outside two outlets, outside silastic-layer 202, be provided with glass fibre reinforced plastics casing 203.
As further technical scheme, operating grip 101 is provided with sealing ring.
In the utility model, operating grip 101 is provided with sealing ring, to strengthen each operating grip 101 sealing, thus strengthens the protective capability to drive disk assembly, electric component further.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. an outdoor prepayment breaker, is characterized in that, comprising:
Three-phase pole (1);
Casing (2), described three-phase pole (1) is arranged on described casing (2), an aviation socket (9), an operating mechanism (4), a zero-sequence transformer (5), two protection instrument transformers (8), two voltage transformers (6) and two current transformers (7) are provided with in described casing (2), described zero-sequence transformer (5) is socketed in described three-phase pole (1) in A, B, C tri-pole wiring, and described zero-sequence transformer secondary outgoing line is connected with described aviation socket (9); Described voltage transformer once goes out line parallel access three-phase main circuit, described current transformer outlet (72) series connection access three-phase main circuit, and described voltage transformer secondary outlet and described Current Transformer Secondary outlet (73) all access aviation socket (9); Described protection instrument transformer (8) is socketed in described three-phase pole (1) in A, C two pole wiring, and described protection instrument transformer secondary outgoing line is connected with described aviation socket (9); In addition, described current transformer (7) and described voltage transformer (6) outside are provided with silastic-layer (202), and described silastic-layer (202) is outside equipped with glass fibre reinforced plastics casing (203);
Base plate (3), is fixedly installed on the bottom of described casing (2) by fixture.
2. a kind of outdoor prepayment breaker as claimed in claim 1, is characterized in that, also comprises operating grip (101), is connected with described operating mechanism (4).
3. a kind of outdoor prepayment breaker as claimed in claim 1 or 2, is characterized in that, described three-phase pole (1) is made up of resin matrix and silicon rubber umbrella skirt, and described silicon rubber umbrella skirt is arranged on outside described resin matrix.
4. a kind of outdoor prepayment breaker as claimed in claim 1, it is characterized in that, described base plate (3) is provided with two mounting plates (31), described mounting plate (31) is provided with at least two installing holes (311).
5. a kind of outdoor prepayment breaker as claimed in claim 1, is characterized in that, described base plate (3) is steel plate base plate.
6. a kind of outdoor prepayment breaker as claimed in claim 1, is characterized in that, described casing (2) is stainless steel casing.
7. a kind of outdoor prepayment breaker as claimed in claim 1, it is characterized in that, described current transformer (7) comprises annular core, described annular core overlaps respectively outward and is provided with current transformer outlet (72) and Current Transformer Secondary outlet (73), current transformer outlet (72) and be provided with silastic-layer (202) between Current Transformer Secondary outlet (73) and two described annular cores and outside two outlets, described silastic-layer (202), is provided with glass fibre reinforced plastics casing (203) outward.
8. a kind of outdoor prepayment breaker as claimed in claim 1, is characterized in that, (101) are provided with sealing ring to described operating grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435867.5U CN204117982U (en) | 2014-08-04 | 2014-08-04 | A kind of outdoor prepayment breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420435867.5U CN204117982U (en) | 2014-08-04 | 2014-08-04 | A kind of outdoor prepayment breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204117982U true CN204117982U (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420435867.5U Active CN204117982U (en) | 2014-08-04 | 2014-08-04 | A kind of outdoor prepayment breaker |
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| Country | Link |
|---|---|
| CN (1) | CN204117982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762008A (en) * | 2016-04-19 | 2016-07-13 | 珠海航天科创实业有限公司 | CT-ratio-adjustable vacuum switch |
-
2014
- 2014-08-04 CN CN201420435867.5U patent/CN204117982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762008A (en) * | 2016-04-19 | 2016-07-13 | 珠海航天科创实业有限公司 | CT-ratio-adjustable vacuum switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 052161 Jiumen Hui Township Zhizhao village south, Gaocheng City, Shijiazhuang City, Hebei Province Patentee after: Hebei Tian'an Electric Group Co.,Ltd. Address before: 052161 Jiumen Hui Township Zhizhao village south, Gaocheng City, Shijiazhuang City, Hebei Province Patentee before: HEBEI TIANAN ELECTRIC POWER EQUIPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |