CN205069430U - Breaker - Google Patents
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- CN205069430U CN205069430U CN201520876463.4U CN201520876463U CN205069430U CN 205069430 U CN205069430 U CN 205069430U CN 201520876463 U CN201520876463 U CN 201520876463U CN 205069430 U CN205069430 U CN 205069430U
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- iron core
- electromagnet
- circuit breaker
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- bent plate
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Abstract
The utility model provides a breaker, belongs to the low -voltage electrical equipment field. Including the breaker frame, the breaker frame includes the curb plate, be equipped with operating device and combined floodgate blocking device in this breaker frame, operating device includes the combined floodgate semi -axis, the one end that the combined floodgate semi -axis is being close to the curb plate is equipped with the bent plate, combined floodgate blocking device is including latching electromagnet, latching electromagnet including one can reciprocate move the iron core, the bent plate includes a pair of mounting panel and a connecting plate, a pair of mounting panel is personally submitted parallel arrangement each other and is connected through the connecting plate between the two, the connecting plate prolongs the backstop portion that is equipped with in the upper end of direction of height and buckle towards the direction of keeping away from the combined floodgate position, this backstop portion cooperatees with the lower extreme that moves the direction of height of iron core. The advantage: can avoid after accomplishing closing operation the defective switch that causes the bent plate locking in the combined floodgate position owing to move that the iron core falls down before the bent plate resets, generating heat of latching electromagnet can be reduced, its life is improved.
Description
Technical field
The utility model belongs to low voltage electrical apparatus technology field, is specifically related to a kind of circuit breaker.
Background technology
In a power distribution system; in order to ensure operation fail safe, reliability and prevent misoperation; vacuum circuit-breaker becomes in electric power system and carries out electric power transmission and switch necessary electric equipment, and the metal enclosed switchgear being core with it plays control and scheduling co-design electrical network in power transmission and transformation system.As shown in Figure 1 to Figure 3, described circuit breaker comprises circuit breaker frame to a kind of circuit breaker of prior art, and described circuit breaker frame comprises side plate 4.Operating mechanism is provided with in this circuit breaker frame, described operating mechanism comprises combined floodgate semiaxis 5, making electromagnet 3 and latching electromagnet 11, described combined floodgate semiaxis 5 is provided with bent plate 51 in the one end near side plate 4, described making electromagnet 3 and latching electromagnet 11 to be fixedly mounted on side plate 4 and to match with combined floodgate semiaxis 5 respectively, and described latching electromagnet 11 is provided with sensitive switch 12.The closing circuit of the contact access circuit breaker of described sensitive switch 12, sensitive switch 12, by the action of the dynamic iron core 112 of latching electromagnet 11, completes corresponding conversion operations.When the secondary circuit of circuit breaker is in off-position, described dynamic iron core 112 blocks bent plate 51, and stop circuit breaker closing by hand, now the contact of sensitive switch 12 is in off-state, and the closing circuit of circuit breaker is cut off.When secondary circuit is energized, latching electromagnet 11 obtains electric and produces corresponding electromagnetic force, makes iron core 112 leave latched position, connects sensitive switch 12 simultaneously, make making electromagnet 3 action, complete breaker switching-on operation.After circuit breaker completes closing operation, latching electromagnet 11 dead electricity, dynamic iron core 112 falls naturally, in this case, if dynamic iron core 112 falls before bent plate 51 resets, be then easy to bent plate 51 to be locked in closing position, thus make circuit breaker to carry out normal breaking-closing operating, that is, even if also can again close a floodgate rapidly after circuit breaker separating brake, just switch fault is caused thus.
In view of above-mentioned prior art, be necessary to be improved the structure of existing circuit breaker, for this reason, the applicant has done useful design, and technical scheme described below produces under this background.
Summary of the invention
The purpose of this utility model is to provide a kind of circuit breaker, can avoid after completing closing operation, because dynamic iron core falls before bent plate resets, bent plate is locked in the switch fault that closing position causes.
The purpose of this utility model reaches like this, a kind of circuit breaker, comprise circuit breaker frame, described circuit breaker frame comprises side plate, operating mechanism and closing locking device is provided with in this circuit breaker frame, described operating mechanism comprises combined floodgate semiaxis, described combined floodgate semiaxis and side plate are rotationally connected, combined floodgate semiaxis is provided with bent plate in the one end near side plate, described closing locking device is fixedly mounted on side plate, described closing locking device includes latching electromagnet, described latching electromagnet includes a dynamic iron core moving up and down, described bent plate comprises pair of brackets plate and a plate, described pair of brackets plate is faced each other and is set in parallel and is connected by connecting plate between the two, it is characterized in that: described connecting plate is in the upper end of short transverse and extendedly have a stopper section towards the direction bending away from closing position, match with the lower end of the short transverse of dynamic iron core in this stopper section, when bent plate resets in initial position process by "on" position, described stopper section is positioned on the free-falling path of dynamic iron core, bent plate is prevented to be locked in the closing position of circuit breaker.
In a specific embodiment of the present utility model, described closing locking device also includes sensitive switch, wiring board and divider resistance, described latching electromagnet is connected with the first power electric and matches with described bent plate, described wiring board is arranged on the top of the short transverse of latching electromagnet, described sensitive switch and divider resistance are arranged in the circuit board, sensitive switch matches with latching electromagnet, and divider resistance is serially connected in the locked loop by latching electromagnet and the first electric power generating composition by wiring board.
In another specific embodiment of the present utility model, described closing locking device also comprises binding post, described binding post to be arranged on described wiring board and to be positioned at the top of divider resistance, binding post comprises the first input terminal and the first outlet terminal, one end of first input terminal is connected by wire one end with the first power supply, the other end of the first input terminal is connected with one end of divider resistance by wiring board, the other end of divider resistance is connected with one end of latching electromagnet by wire, the other end of latching electromagnet is connected with one end of the first outlet terminal, the other end of the first outlet terminal is connected with the other end of the first power supply.
In another specific embodiment of the present utility model, described latching electromagnet also includes electromagnet housing and coil, described dynamic iron core runs through electromagnet housing along short transverse, it is outer and be provided with at this end and hit end that the upper end of dynamic iron core is stretched over electromagnet housing, described sensitive switch is provided with touch pole in the one end near latching electromagnet, described strike end matches with touch pole, it is outer and match with described bent plate that the lower end of dynamic iron core is stretched over electromagnet housing, described coil to be arranged in electromagnet housing and to be set in the outside of dynamic iron core.
The utility model is owing to have employed said structure, compared with prior art, the beneficial effect had is: stopper section is set up in one end that described bent plate is matching with closing locking device, bent plate can be prevented thus after circuit breaker completes closing operation to be locked in closing position due to the whereabouts of dynamic iron core, cause resetting, avoid the switch fault of circuit breaker; In locked loop, increase divider resistance, by shunting the electric current flowing into latching electromagnet, the heating of latching electromagnet can be reduced with this, improve its useful life.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of circuit breaker of prior art.
The schematic diagram that the bent plate that Fig. 2 is circuit breaker shown in Fig. 1 matches with dynamic iron core.
The passive iron core of bent plate that Fig. 3 is circuit breaker shown in Fig. 1 is locked in the schematic diagram of closing position.
Fig. 4 is the structural representation of circuit breaker described in the utility model.
Fig. 5 is an embodiment schematic diagram of bent plate described in the utility model.
Fig. 6 is the decomposing schematic representation of closing locking device described in the utility model.
Fig. 7 be latching electromagnet described in the utility model in the power-off state with sensitive switch and combined floodgate semiaxis coordinate schematic diagram.
Fig. 8 be latching electromagnet described in the utility model in the energized state with sensitive switch and combined floodgate semiaxis coordinate schematic diagram.
Fig. 9 is the electrical connection schematic diagram of locked loop described in the utility model.
Figure 10 is the electrical connection schematic diagram of closing circuit described in the utility model.
In figure: 1. closing locking device, 11. latching electromagnets, 111. electromagnet housings, 112. dynamic iron cores, 1121. hit end, 113. coils, 12. sensitive switches, 121. touch poles, 13. wiring boards, 14. divider resistances, 15. binding posts, 151. first input terminals, 152. first outlet terminals, 153. second input terminals, 154. second outlet terminals; 2. mounting panel; 3. making electromagnet; 4. side plate; 5. combined floodgate semiaxis, 51. bent plates, 511. stopper sections, 512. supporting plates, 513. connecting plates, 514. gag lever posts.
Embodiment
Applicant will describe in detail embodiment of the present utility model below by reference to the accompanying drawings; but applicant is not the restriction to technical scheme to the description of embodiment, any changing in the form rather than substance according to the utility model design all should be considered as protection range of the present utility model.
Refer to Fig. 4, Fig. 5 and Fig. 6, the utility model relates to a kind of circuit breaker, comprises circuit breaker frame, and described circuit breaker frame comprises side plate 4, is provided with operating mechanism and closing locking device 1 in this circuit breaker frame.Described operating mechanism comprises combined floodgate semiaxis 5, and described combined floodgate semiaxis 5 is rotationally connected with side plate 4, and combined floodgate semiaxis 5 is provided with bent plate 51 in the one end near side plate 4.Described closing locking device 1 is fixed on side plate 4 by a mounting panel 2, described mounting panel 2 is fixedly mounted on side plate 4, described mounting panel 2 is provided with multiple installing hole, utilizes these installing holes can be fixedly installed on mounting panel 2 by closing locking device 1 by screw thread.Described closing locking device 1 includes latching electromagnet 11, and described latching electromagnet 11 includes a dynamic iron core 112 moving up and down.Described bent plate 51 comprises pair of brackets plate 512 and a plate 513, and described pair of brackets plate 512 is faced each other and is set in parallel and is connected by connecting plate 513 between the two.In the present embodiment, described bent plate 51 is in the upper end of the short transverse of connecting plate 513 and extendedly have a stopper section 511 towards the direction bending away from closing position, match with the lower end of the short transverse of dynamic iron core 112 in this stopper section 511, when bent plate 51 resets in initial position process by "on" position, described stopper section 511 is positioned on the dynamic free-falling path of iron core 112, prevents bent plate 51 after circuit breaker completes closing operation, be locked in closing position and cannot reset.
Described closing locking device 1 also includes sensitive switch 12, wiring board 13 and divider resistance 14.Latching electromagnet 11 and wiring board 13 are arranged on mounting panel 2, wherein, described latching electromagnet 11 is connected with the first power electric and matches with described bent plate 51, described wiring board 13 is arranged on the top of the short transverse of latching electromagnet 11, described sensitive switch 12 and divider resistance 14 are arranged on wiring board 13, sensitive switch 12 matches with latching electromagnet 11, and divider resistance 14 is serially connected in the locked loop by latching electromagnet 11 and the first electric power generating composition by wiring board 13.
Refer to Fig. 6 and composition graphs 7, Fig. 8, described latching electromagnet 11 also comprises electromagnet housing 111 and coil 113.Described dynamic iron core 112 runs through electromagnet housing 111 along short transverse, it is outer and be provided with at this end and hit end 1121 that the upper end of dynamic iron core 112 is stretched over electromagnet housing 111, described sensitive switch 12 is provided with touch pole 121 in the lower end near latching electromagnet 11, described strike end 1121 matches with touch pole 121, and it is outer and match with described bent plate 51 that the lower end of dynamic iron core 112 is stretched over electromagnet housing 111.Described coil 113 to be arranged in electromagnet housing 111 and to be set in the outside of dynamic iron core 112.When the secondary circuit of circuit breaker is energized, when making the coil 113 of latching electromagnet 11 obtain electric, dynamic iron core 112 moves upward, and strike end 1121 presses touch pole 121 makes sensitive switch 12 action.
Please continue to refer to Fig. 4, described closing locking device 1 also comprises binding post 15, and described binding post 15 to be arranged on described wiring board 13 and to be positioned at the top of divider resistance 14.Binding post 15 comprises the first input terminal 151 and the first outlet terminal 152, and the first described input terminal 151 and the first outlet terminal 152 are serially connected in locked loop.The electrical connection schematic diagram of described locked loop as shown in Figure 9, one end of first input terminal 151 is connected by wire one end with the first power supply, the other end of the first input terminal 151 is connected with one end of divider resistance 14 by wiring board 13, the other end of divider resistance 14 is connected by wire one end with latching electromagnet 11, the other end of latching electromagnet 11 is connected with one end of the first outlet terminal 152, and the other end of the first outlet terminal 152 is connected with the other end of the first power supply.The effect of divider resistance 14 is shunted the electric current flowing into latching electromagnet 11, and like this, the heat that latching electromagnet 11 produces can corresponding minimizing.In addition, owing to being provided with a mounting panel 2 between side plate 4 and closing locking device 1, the area of mounting panel 2 comparatively prior art increases to some extent, can improve the heat-sinking capability of latching electromagnet 11 whereby, improves the useful life of latching electromagnet 11.
Described side plate 4 is provided with a making electromagnet 3 in the position of the lower end near described bent plate 51, and described making electromagnet 3 matches with the lower end of bent plate 51.Described binding post 15 also comprises the second input terminal 153 and the second outlet terminal 154, and the second described input terminal 153 and the second outlet terminal 154 are serially connected in the closing circuit be made up of making electromagnet 3 and second source.The electrical connection graph of described closing circuit as shown in Figure 10, one end of second input terminal 153 is connected with one end of second source by wire, the other end of the second input terminal 153 is connected with one end of sensitive switch 12 by wiring board 13, the other end of sensitive switch 12 is connected with one end of the second outlet terminal 154 by wiring board 13, the other end of the second outlet terminal 154 is connected by wire one end with making electromagnet 3, and the other end of making electromagnet 3 is connected with the other end of second source.When outside has switching signal to be input to second source, making electromagnet 3 electric, drive bent plate 51 action, drive combined floodgate semiaxis 5 to closing position direction, namely A direction as shown in Figure 4 and Figure 8 causes circuit breaker to complete combined floodgate after turning an angle.
Refer to Fig. 7 and Fig. 8, and composition graphs 6, when circuit breaker closing lock loop not electric time, latching electromagnet 11 is in power failure state, dynamic iron core 112 moves downward, and the lower end of dynamic iron core 112 is in when combined floodgate semiaxis 5 rotates to closing position and drives bent plate 51 to rotate on the path of required process, now, the connecting plate 513 of bent plate 51 stops and prevents combined floodgate semiaxis 5 to rotate to A direction by the lower end of dynamic iron core 112, and namely circuit breaker cannot close a floodgate.In this case, dynamic iron core 112 does not move, and it hits end 1121 cannot upwards press touch pole 121, and therefore sensitive switch 12 cannot action, and the closing circuit of circuit breaker is not switched on, and prevents misoperation.When circuit breaker closing lock loop obtains electric, namely, when coil 113 obtains electric, dynamic iron core 112 is subject to electromagnetic force and moves upward, now, bent plate 51 is no longer blocked in the lower end of dynamic iron core 112, meanwhile, the strike end 1121 of dynamic iron core 112 upwards presses touch pole 121, makes sensitive switch 12 action, connect the closing circuit of circuit breaker, now, making electromagnet 3 obtains electric, promotes the lower end of bent plate 51 thus drives combined floodgate semiaxis 5 to rotate to closing position direction.Wherein, bent plate 51 rotates to closing position direction certain angle, is decided by the gag lever post 514 be fixedly installed on bent plate 51.Concrete, one end of gag lever post 514 is fixed on bent plate 51, the other end of gag lever post 514 is then slidably mounted in the stopper slot (not shown) be located on side plate 4, bent plate 51 is turning in the process of closing position (i.e. bent plate 51 position in Fig. 8) from initial position (i.e. bent plate 51 position in Fig. 7), drives gag lever post 514 to slide into the other end of stopper slot from one end of stopper slot.
When after breaker closing, then latching electromagnet 11 meeting dead electricity at once, now, because described bent plate 51 extended has a stopper section 511 in the upper end of the short transverse of connecting plate 513 towards the direction bending away from closing position, can by stopper section 511 support after dynamic iron core 112 falls, like this, dynamic iron core 112 is just no longer in bent plate 51 and returns to the path that initial position will pass through from closing position.Bent plate 51 is moved to initial position by closing position by the drive of back-moving spring (not shown), and after bent plate 51 returns to initial position, dynamic iron core 112 can freely fall.In the present embodiment, the development length of described stopper section 511 has certain requirement, concrete: first, when bent plate 51 turns to the process of closing position from initial position, now, making electromagnet 11 obtains electric i.e. dynamic iron core 112 and does not freely fall, and stopper section 511 can not be touched with dynamic iron core 112; The second, when bent plate 51 is at closing position, stopper section 511 is positioned on the dynamic free-falling path of iron core 112; 3rd, namely when bent plate 51 turns to initial position from closing position, now, making electromagnet 11 dead electricity, dynamic iron core 112 freely falls and by stopper section 511 support, until stopper section 511 turns over certain angle, dynamic iron core 112 can continue freely to fall, and bent plate 51 resets to initial position smoothly.
Claims (4)
1.
a kind of circuit breaker, comprise circuit breaker frame, described circuit breaker frame comprises side plate (4), operating mechanism and closing locking device (1) is provided with in this circuit breaker frame, described operating mechanism comprises combined floodgate semiaxis (5), described combined floodgate semiaxis (5) and side plate (4) are rotationally connected, combined floodgate semiaxis (5) is provided with bent plate (51) in the one end near side plate (4), described closing locking device (1) is fixedly mounted on side plate (4), described closing locking device (1) includes latching electromagnet (11), described latching electromagnet (11) includes a dynamic iron core (112) moving up and down, described bent plate (51) comprises pair of brackets plate (512) and a plate (513), described pair of brackets plate (512) is faced each other and is set in parallel and is connected by connecting plate (513) between the two, it is characterized in that: described connecting plate (513) is in the upper end of short transverse and extendedly have a stopper section (511) towards the direction bending away from closing position, match with the lower end of the short transverse of dynamic iron core (112) in this stopper section (511), when bent plate (51) resets in initial position process by "on" position, described stopper section (511) is positioned on dynamic iron core (112) free-falling path, bent plate (51) is prevented to be locked in the closing position of circuit breaker.
2.
a kind of circuit breaker according to claim 1, it is characterized in that described closing locking device (1) also comprises sensitive switch (12), wiring board (13) and divider resistance (14), described latching electromagnet (11) is connected with the first power electric and matches with described bent plate (51), described wiring board (13) is arranged on the top of the short transverse of latching electromagnet (11), described sensitive switch (12) and divider resistance (14) are arranged on wiring board (13), sensitive switch (12) matches with latching electromagnet (11), divider resistance (14) is serially connected in the locked loop by latching electromagnet (11) and the first electric power generating composition by wiring board (13).
3.
a kind of circuit breaker according to claim 2, it is characterized in that described closing locking device (1) also comprises binding post (15), described binding post (15) is arranged on described wiring board (13) and goes up and the top being positioned at divider resistance (14), binding post (15) comprises the first input terminal (151) and the first outlet terminal (152), one end of first input terminal (151) is connected by wire one end with the first power supply, the other end of the first input terminal (151) is connected with one end of divider resistance (14) by wiring board (13), the other end of divider resistance (14) is connected by wire one end with latching electromagnet (11), the other end of latching electromagnet (11) is connected with one end of the first outlet terminal (152), the other end of the first outlet terminal (152) is connected with the other end of the first power supply.
4.
a kind of circuit breaker according to claim 2, it is characterized in that described latching electromagnet (11) also comprises electromagnet housing (111) and coil (113), described dynamic iron core (112) runs through electromagnet housing (111) along short transverse, the upper end of dynamic iron core (112) is stretched over electromagnet housing (111) and is provided with outward and at this end and hits end (1121), described sensitive switch (12) is provided with touch pole (121) in the one end near latching electromagnet (11), described strike end (1121) matches with touch pole (121), the lower end of dynamic iron core (112) is stretched over electromagnet housing (111) and match with described bent plate (51) outward, described coil (113) to be arranged in electromagnet housing (111) and to be set in the outside of dynamic iron core (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520876463.4U CN205069430U (en) | 2015-11-05 | 2015-11-05 | Breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520876463.4U CN205069430U (en) | 2015-11-05 | 2015-11-05 | Breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205069430U true CN205069430U (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520876463.4U Active CN205069430U (en) | 2015-11-05 | 2015-11-05 | Breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN205069430U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958801A (en) * | 2017-12-23 | 2018-04-24 | 无锡凯绎科技有限公司 | Electricity grasps the general interlock of manual padlock and mechanical interlocking |
| CN108493068A (en) * | 2018-05-14 | 2018-09-04 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and the breaker using the operating mechanism |
| CN110600344A (en) * | 2018-06-12 | 2019-12-20 | 上海电器股份有限公司人民电器厂 | Closing locking coil anti-reset clamping structure |
-
2015
- 2015-11-05 CN CN201520876463.4U patent/CN205069430U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107958801A (en) * | 2017-12-23 | 2018-04-24 | 无锡凯绎科技有限公司 | Electricity grasps the general interlock of manual padlock and mechanical interlocking |
| CN107958801B (en) * | 2017-12-23 | 2020-06-05 | 无锡凯绎科技有限公司 | Universal interlocking device for electric operation manual padlock and mechanical interlocking |
| CN108493068A (en) * | 2018-05-14 | 2018-09-04 | 河南森源电气股份有限公司 | A kind of spring operating mechanism and the breaker using the operating mechanism |
| CN110600344A (en) * | 2018-06-12 | 2019-12-20 | 上海电器股份有限公司人民电器厂 | Closing locking coil anti-reset clamping structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |