CN201829407U - Novel circuit breaker capable of being used for underground laying - Google Patents
Novel circuit breaker capable of being used for underground laying Download PDFInfo
- Publication number
- CN201829407U CN201829407U CN2010205395809U CN201020539580U CN201829407U CN 201829407 U CN201829407 U CN 201829407U CN 2010205395809 U CN2010205395809 U CN 2010205395809U CN 201020539580 U CN201020539580 U CN 201020539580U CN 201829407 U CN201829407 U CN 201829407U
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- Prior art keywords
- circuit breaker
- push rod
- pole
- cable
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- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000007306 turnover Effects 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 description 6
- 229920002521 macromolecule Polymers 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000007789 sealing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
A novel circuit breaker capable of being used for underground laying relates to the structure of a circuit breaker. The novel circuit breaker comprises a casing, wherein three phases of switching polar columns are arranged in the casing, one end of each phase of switching polar column is provided with a line inlet plug of a cable, and the middles of the polar columns are additionally connected with a sleeve pipe to form a line outlet plug of the cable. The two plugs can be directly connected with the cable with an incoming line and an outgoing line. The inside of the other end of each phase of polar column is provided with an insulating pull rod, and the insulating pull rods extend outwards and are connected with an operating and controlling device. A shifting fork of a transmission device is operated by an operating mechanism in the circuit breaker, and a master push rod and a single-phase crank arm between the insulating pull rods of the three phases of polar columns are operated and controlled to realize the switching on and the switching off of the circuit breaker. The single-phase crank arm comprises a shaft and two movable pins, the movable pins are movably connected at the positions of supporting points at the end parts of the insulating pull rods, and a fixed pin is arranged on the master push rod. The utility model has the beneficial effects that the casing of the circuit breaker is in integral sealed insulation, the inner switching polar columns are also provided with shielding layers, and any position can be touched. Meanwhile, the three phases of polar columns are linked, the operation is simple, the use is safe, the maintenance is omitted, and the utility model can be used as an urban underground laying line installed under the ground for use and can also be used on an outdoor column and in a whole set of electric appliance cabinets. The utility model can be suitable for any natural environment and has more extensive use range.
Description
Technical field
The utility model relates to the performance and the structure of circuit breaker, specifically is a kind of circuit breaker that can use in various conditions and environment, is particularly useful for underground burying underground.
Background technology
Continuous development along with national economy, electric network composition and part throttle characteristics are complicated day by day, be connected the sensitiveness electric loading of electric power system simultaneously, very easily be subjected to influence from electric power system disturbance in short-term, the phenomenon that jumps as electric voltage dropping and voltage, thereby strict further requirement has been proposed for the quality of power supply and operational reliability.So needs adopt, and protectiveness equipment--high-pressure vacuum breaker closes at short notice, separating brake.Present high-pressure vacuum breaker because of its arc-extinguishing medium and arc extinguishing after the dielectric in contact gap all be that high vacuum is gained the name, have volume little, in light weight, be applicable to frequent operation, non-maintaining advantage, in power distribution network, use comparatively universal.It mainly comprises three big portions: divide vacuum interrupter, electromagnetism or spring operating mechanism, support or shell and other parts.
Making a general survey of the vacuum circuit-breaker that occurs on the market all is to adopt the switch pole up, casing and support are installed below the switch pole, spring operating mechanism and terminal box are set in the casing, the position in space is provided with the lifting hook between the switch pole, by the lifting hook vacuum circuit-breaker is placed in the open air.But having some problems in being to use, in the abominable place of some natural environments, vacuum circuit-breaker is installed in the open air, is exactly test greatly to vacuum circuit-breaker, tends to cause the infringement of vacuum circuit-breaker, influences its normal use, reduction of service life.If the insulated enclosure of vacuum circuit-breaker is bad, shell has electromotive force, lets alone to be applicable to undergroundly, has so hindered the scope of application of circuit breaker to a certain extent.
The utility model content
The technical problem that the utility model solved is to provide a kind of underground circuit breaker that can be used for of integral sealing insulation.
The technical problem that the utility model solved realizes by the following technical solutions:
A kind of novel buried circuit breaker that can be used for, it is characterized in that: the housing that comprises circuit breaker, the threephase switch pole is set in the described housing, the threephase switch pole is arranged on the horizontal plane, one end of described every phase switch pole is the long cable section of ingoing line plug, connecing a sleeve pipe in addition in the middle of the pole is the cable outlet plug, and two plugs can directly be connected with turnover line cable.Is the outer shielding layer that the macromolecule modified renewable reusable environment-friendly materials of main body are made at outer setting one deck of described switch pole based on ethylene-propylene diene copolymer, and it is the internal shield that the macromolecule modified renewable reusable environment-friendly materials of main body are made into and out of the junction of line plug and cable based on ethylene-propylene diene copolymer that cable also is provided with one deck.
The other end of described every phase switch pole, inside is provided with insulated tension pole, and insulated tension pole is protruding to join with operating-controlling mechanism, by the operating state of operating-controlling mechanism control switch pole.
Also comprise operating-controlling mechanism, described actuation means is made up of the operating mechanism and the transmission device of circuit breaker.Output toggle arm in the operating mechanism is connected with the shift fork of transmission device, and drives set total push rod of transmission device and the motion of single-phase connecting lever by shift fork.
Described single-phase connecting lever is to be made of a fulcrum shaft and two motion bars, and two motion bars connect the insulated tension pole of total push rod and pole, and the fixed point pin is set on described total push rod, slides to keep balance in the bracket groove of fixed point pin in described actuation means.
Described total push rod is shaped on three fixed point pins perpendicular to the insulated tension pole of threephase switch pole on described total push rod, described three fixed point pins insert in three pairs of bracket grooves and single-phase connecting lever flexibly connects.
Described single-phase connecting lever one end is with after fixed point pin on total push rod is connected, and the end of the other end and insulated tension pole links to each other.
Described shift fork be arranged on operating mechanism output toggle arm and and total push rod between after, a fixed axis is also passed at the center of shift fork, being used to control shift fork is that fulcrum rotatablely moves all the time with the fixed axis.
The utility model in use, by the control operating-controlling mechanism, the output toggle arm of operating mechanism drives the shift fork rotation, shift fork promotes total push rod, thereby drives single-phase connecting lever motion.This moment, always push rod was mobile the time, and the fixed point pin on total push rod drives single-phase connecting lever and insulated tension pole interlock, thereby pulling three phase isolated pull bar moves up and down, and reaches the purpose that switches on and off the power network line electric current.
In the utility model, also being provided with one deck on the shell of circuit breaker is the insulating barrier that the macromolecule modified renewable reusable environment-friendly materials of main body are made based on ethylene-propylene diene copolymer, is used for the integral sealing insulation of circuit breaker.
The beneficial effects of the utility model are shell integral sealing insulation of circuit breaker, the internal switch pole also is provided with screen, any position can touch, linked switch between the threephase switch pole is simple to operate, safe in utilization simultaneously, can be whole imbed underground use, also can be used on the outdoor post and the complete set of equipments cabinet in, be suitable for any natural environmental condition in, use face is more extensive.
Description of drawings
Fig. 1 is the structural representation of the utility model circuit breaker;
Fig. 2 is a side schematic view among Fig. 1;
11-housing, 12-switch pole, 121-outer shielding layer, 13-long cable section of ingoing line plug, 131-inlet wire conducting rod, 132-internal shield, 14-insulated tension pole, 15-cable outlet plug, 21-operating mechanism, 22-operating mechanism output toggle arm, 31-shift fork, 32-fixed axis, the total push rod of 41-, 42-support sliding tray, 43-push rod pin, 44-fixed point pin, the single-phase connecting lever of 51-among the figure.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As depicted in figs. 1 and 2, a kind of novel buried circuit breaker that can be used for, it is the insulating barrier that the macromolecule modified renewable reusable environment-friendly materials of main body are made based on ethylene-propylene diene copolymer that the housing 11 that comprises circuit breaker, shell 11 are provided with one deck, is used for the integral sealing insulation of circuit breaker.In the housing 11 side by side up and down two-layer threephase switch pole 12 is installed, threephase switch pole 12 is respectively A phase switch pole, B phase switch pole, C phase switch pole, threephase switch pole 12 is arranged on the horizontal plane, end at every phase switch pole 12 is a long cable section of ingoing line plug 13, connecing a sleeve pipe in the middle of the pole 12 in addition is that cable outlet plug 15, two plugs can directly be connected with turnover line cable.Is the outer shielding layer 121 that the macromolecule modified renewable reusable environment-friendly materials of main body are made at outer setting one deck of every phase switch pole 12 based on ethylene-propylene diene copolymer, it is the internal shield 132 that the macromolecule modified renewable reusable environment-friendly materials of main body are made based on ethylene-propylene diene copolymer that the conducting rod 131 of cable outlet plug 13 and the junction of cable also are provided with one deck, is used to remain cable into and out of the external insulated enclosure of line plug 13,15.
The other end of every phase switch pole 12, the inner insulated tension pole 14 of installing, insulated tension pole 14 protruding and single-phase connecting levers 51 join, operating state by operating mechanism 21 control switch poles 12, operating mechanism 21 is the operation power of circuit breaker, stretches out output toggle arm 22 in the operating mechanism and is connected with shift fork 31.Also be connected with total push rod 41 and single-phase connecting lever 51 between the insulated tension pole 14 of operating mechanism 21 and threephase switch pole 12 simultaneously, total push rod 41 is perpendicular to the insulated tension pole 14 of threephase switch pole 12, be movably connected being shaped on total push rod 41 to insert between fixed point pin 44 backs and the single-phase connecting lever 51 in a push rod pin 43 and 44, three support sliding trays 42 of three fixed point pins.Just in time connect shift fork 31 between the output toggle arm 22 that stretches out in push rod pin 43 and the operating mechanism, after shift fork 31 is installed between push rod pin 43 and the output toggle arm 22, a fixed axis 32 is also passed at the center of shift fork 31, fixed axis 32 is as central point, and just in time can control shift fork 31 is that central point rotatablely moves with fixed axis 32 all the time.
Single-phase connecting lever 51 is made of a fulcrum shaft and two motion bars, and fixed point pin 44 is connected in the support sliding tray 42 on one of them motion bar and the total push rod 41, and the end of another motion bar links to each other with the end of insulated tension pole 14.
Like this by control operation mechanism 21, output toggle arm 22 drives shift fork 31 rotations in the operating mechanism 21, shift fork 31 is by push rod pin 43 and 41 interlocks of total push rod, thereby drive total push rod 41 move left and right, this moment, total push rod 41 was mobile the time, fixed point pin 44 drives interlock between single-phase connecting levers 51 and the insulated tension pole 14 on total push rod 41, and then also spurs three phase isolated pull bar 14 and move up and down, and reaches the purpose of contact in the closed and disconnected pole 12.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. one kind novelly can be used for buried circuit breaker, it is characterized in that:
The housing that comprises circuit breaker, the threephase switch pole is set in the described housing, the threephase switch pole is arranged on the horizontal plane, one end of described every phase switch pole is the long cable section of ingoing line plug, connecing a sleeve pipe in addition in the middle of the pole is the cable outlet plug, and two plugs can directly be connected the other end of described every phase switch pole with turnover line cable, inside is provided with insulated tension pole, and insulated tension pole is protruding to join with actuation means; At outer setting one deck external shield insulating barrier of described switch pole, the junction of cable turnover line plug and cable also is provided with one deck internal shield;
Also comprise actuation means, described actuation means is made up of the operating mechanism and the transmission device of circuit breaker, output toggle arm in the operating mechanism is connected with the shift fork of transmission device, and by shift fork drive transmission device set total push rod and the motion of single-phase connecting lever, described single-phase connecting lever is to be made of a fulcrum and two motion bars, two motion bars connect the insulated tension pole of total push rod and pole, and the fixed point pin is set on described total push rod, slide to keep balance in the bracket groove of fixed point pin in described actuation means.
2. circuit breaker according to claim 1 is characterized in that: described total push rod is shaped on three fixed point pins perpendicular to the insulated tension pole of threephase switch pole on described total push rod, and described three fixed point pins insert in three pairs of bracket grooves and single-phase connecting lever flexibly connects.
3. circuit breaker according to claim 1 is characterized in that: described single-phase connecting lever one end is with after fixed point pin on total push rod is connected, and the end of the other end and insulated tension pole links to each other.
4. circuit breaker according to claim 1 is characterized in that: described shift fork be arranged on operating mechanism output toggle arm and and total push rod between after, a fixed axis is also passed at the center of shift fork, being used to control shift fork is that fulcrum rotatablely moves all the time with the fixed axis.
5. circuit breaker according to claim 1 is characterized in that: also be provided with a layer insulating on the described shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205395809U CN201829407U (en) | 2010-09-19 | 2010-09-19 | Novel circuit breaker capable of being used for underground laying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205395809U CN201829407U (en) | 2010-09-19 | 2010-09-19 | Novel circuit breaker capable of being used for underground laying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201829407U true CN201829407U (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205395809U Expired - Fee Related CN201829407U (en) | 2010-09-19 | 2010-09-19 | Novel circuit breaker capable of being used for underground laying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201829407U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976624A (en) * | 2010-09-19 | 2011-02-16 | 郑文秀 | Circuit breaker for ground burying |
| CN103123880A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Transmission shaft for circuit breaker and circuit breaker poking mechanism using same |
-
2010
- 2010-09-19 CN CN2010205395809U patent/CN201829407U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976624A (en) * | 2010-09-19 | 2011-02-16 | 郑文秀 | Circuit breaker for ground burying |
| CN103123880A (en) * | 2013-01-24 | 2013-05-29 | 平高集团有限公司 | Transmission shaft for circuit breaker and circuit breaker poking mechanism using same |
| CN103123880B (en) * | 2013-01-24 | 2015-07-15 | 平高集团有限公司 | Transmission shaft for circuit breaker and circuit breaker poking mechanism using same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HONGXIU ELECTRIC CO., LTD. Free format text: FORMER OWNER: ZHENG WENXIU Effective date: 20121120 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 325604 WENZHOU, ZHEJIANG PROVINCE TO: 325600 WENZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121120 Address after: 325600 Xinguang Industrial Zone, Liushi Town, Zhejiang, Yueqing Patentee after: Hongxiu Electric Co., Ltd. Address before: 325604, Zhenxing Road, Xinguang Industrial Park, Yueqing, Zhejiang, Liushi 8 Patentee before: Zheng Wenxiu |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20120919 |