CN201060819Y - Energy accumulation type high breaking small-sized breaker - Google Patents
Energy accumulation type high breaking small-sized breaker Download PDFInfo
- Publication number
- CN201060819Y CN201060819Y CNU2007201518475U CN200720151847U CN201060819Y CN 201060819 Y CN201060819 Y CN 201060819Y CN U2007201518475 U CNU2007201518475 U CN U2007201518475U CN 200720151847 U CN200720151847 U CN 200720151847U CN 201060819 Y CN201060819 Y CN 201060819Y
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- moving contact
- energy storage
- base
- handle
- high breaking
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Abstract
The utility model relates to a low voltage circuit terminal electric appliance, in particular to an energy storage high breaking and small breaker, which comprises a base with a handle, a connecting terminal and an arc extinguish shield both arranged on the base. The utility model is characterized in that: a run-on tab is arranged at one side of the arc extinguish shield; through a U-shaped connecting rod, the handle is connected with a flip buckle, which is fixed on a fulcrum of a moving contact bracket; a coil with a static contact is arranged at one side of the moving contact, and an energy storage connecting rod component is arranged between the handle and the moving contact bracket. The energy storage component comprises two rods connected with each other, a branch-shaped projection is arranged on one rod and arranged in a groove on the base wall, and the other rod is tightly pressed against a projected part at the lower end of the moving contact bracket; the moving contact is connected with a tension spring, the other end of which is connected with a fixed shaft on the base. The utility model has the advantages of enabling the contact to close quickly and free of the influence of the speed of manually pushing the handle to rotate, preventing the generation of electric arcs, and effectively prolonging the service life of the contacts.
Description
Technical field
The utility model relates to a kind of low-voltage circuit terminal appliance, is specially a kind of energy storage type high breaking miniature circuit breaker.
Background technology
Existing circuit breaker is when hand-reset, and the moving contact closing speed depends on hand propelled handle velocity of rotation, and moving contact pressure is to start from scratch slowly to increase, and this can cause and draw electric arc, thereby influence the useful life of contact.
Summary of the invention
The purpose of this utility model is can cause and draw electric arc and influence the contact defective in useful life in order to overcome existing circuit breaker, and provide a kind of high breaking miniature circuit breaker with energy storage type operating mechanism, make the moving contact can quick-make and be not subjected to the influence of hand propelled handle velocity of rotation, thus the useful life of effectively improving contact.
The technical solution of the utility model is as follows: a kind of energy storage type high breaking miniature circuit breaker, comprise the base that handle is housed, base is provided with binding post and arc-extinguish chamber, arc-extinguish chamber one side is provided with run-on tab, handle is connected with tripping by the U-shaped connecting rod, tripping is enclosed within on the fulcrum of moving contact rack, one side of moving contact is provided with the coil of band fixed contact, wherein, be provided with the energy storage link assembly between handle and moving contact rack, the energy storage link assembly comprises two interconnective bars, and wherein a bar is provided with dendritic projection, dendritic projection places in the groove of base wall, and another root bar is close to outstanding position, moving contact rack lower end; Connect an extension spring on the moving contact, the other end of extension spring is connected with fixed axis on the base.
Aforesaid energy storage type high breaking miniature circuit breaker, wherein, moving contact is enclosed within on the fixed axis, also is with a snap close on this fixed axis, and snap close is connected with torsion spring on being stuck in base.
Aforesaid energy storage type high breaking miniature circuit breaker, wherein, the opening of arc-extinguish chamber assembles by several arc extinguishing grid pieces are interlaced with each other.
Aforesaid energy storage type high breaking miniature circuit breaker, wherein, run-on tab is provided with bimetal leaf, and bimetal leaf connects the dropout pull bar, and the dropout pull bar is connected with snap close.
Good effect of the present utility model is as follows: because the utility model has disposed the energy storage link assembly, so when hand-reset, moving contact can quick-make and be not subjected to the influence of manual speed speed, thus the generation of avoiding drawing electric arc, the useful life of having improved contact effectively.The moving contact lower end be stuck in torsion spring on the base to the torque of snap close, can realize descending variation along with snap close sways, when having played the beginning make position, prevent the double action that tripping force reduces gradually in tripping and snap close slide fastener and the closing course.In addition, the opening of whole arc-extinguish chamber assembles by the arc extinguishing grid pieces of incomplete symmetry is interlaced with each other, can make electric arc introduce in the arc-extinguish chamber rapidly and be elongated, thereby raising arc voltage, reach the purpose of effective arc extinguishing, the support of bimetal leaf and run-on tab adopt welding, and the coil of electromagnetic assembly, iron core, fixed contact adopt fixed connection, have assembling of being easy to and on-deformable advantage.
Description of drawings
Fig. 1 is a structure chart of the present utility model.
Fig. 2 is the loop construction schematic diagram of band fixed contact.
Fig. 3 is the run-on tab structural representation of band bimetal leaf.
Fig. 4 is a schematic diagram before the action of energy storage link assembly.
Fig. 5 is an energy storage link assembly action back schematic diagram.
Fig. 6 is the moving contact structure schematic diagram of belt supporting frame.
Fig. 7 is that torsion spring on the base is to snap action power schematic diagram from large to small.
Fig. 8 is the opening schematic diagram of arc-extinguish chamber
Fig. 9 is the structural representation of arc extinguishing grid pieces.
Among the figure, 1. 10. trippings 11. of base 2. binding posts 3. arc-extinguish chambers 4. coils 5. fixed axis 6. extension springs 7. handle 8.U shape connecting rods 9. energy storage link assemblies identify 12. moving contacts, 13. fixed axis, 14. snap closes, 15. dropout pull bars, 16. run-on tabs, 17. adjustment screw, 18. fixed contacts, 19. bimetal leafs, 20,21. bars, 22. moving contact racks, 23. torsion springs
Embodiment
As shown in Figure 1, energy storage type high breaking miniature circuit breaker comprises the base 1 that handle 7 is housed, base 1 is provided with binding post 2 and arc-extinguish chamber 3, arc-extinguish chamber 3 one sides are provided with run-on tab 16, handle 7 is connected with tripping 10 by U-shaped connecting rod 8, tripping 10 is enclosed within on the fulcrum of moving contact rack 22, and a side of moving contact 12 is provided with the coil 4 of band fixed contact 18.Between handle 7 and moving contact rack 22, be provided with energy storage link assembly 9, energy storage link assembly 9 comprises two interconnective bars 20,21, as Fig. 4, shown in Figure 5, wherein a bar 20 is provided with dendritic projection, dendritic projection places in the groove of base wall, and another root bar 21 is close to outstanding position, moving contact rack 22 lower ends.Connect an extension spring 6 on the moving contact 12, the other end of extension spring 6 is connected with fixed axis 5 on the base.Moving contact 12 is enclosed within on the fixed axis 13, also is with a snap close 14 on this fixed axis 13, and snap close 14 is connected with torsion spring on being stuck in base.As shown in Figure 3, run-on tab is provided with bimetal leaf 19, and bimetal leaf 19 connects dropout pull bar 15, and dropout pull bar 15 is connected with snap close 14.As shown in Figure 8, the opening of arc-extinguish chamber 3 assembles by the arc extinguishing grid pieces of several incomplete symmetries is interlaced with each other.
During use, during handle 7 clockwise direction rotation under external force, when the fulcrum of handle 7 on base 1 rotates, drive U-shaped connecting rod 8 action to the right, U-shaped connecting rod 8 promotes trippings 10 fulcrum on support 22 and counterclockwise rotates, when tripping 10 with after snap close 14 contacts, snap close 14 rotates around axle 13 clockwise directions, meanwhile moving contact 12 rotates around axle 13 clockwise directions under tripping 10 promotes and under the tension of extension spring 6.When handle 7 turns to certain angle, handle 7 bottoms are with after bar 20 in the energy storage link assembly 9 contacts, the bar 21 that the position is close to the energy storage connecting rod is protruded in lower end, support 22 left side, bar 20 dendritic projections are positioned at little groove on base 1 wall, when driving handle 7 continues the clockwise direction rotation, the bar 20 of energy storage link assembly fulcrum O on base 1
2Counterclockwise rotate, thereby the bar 21 that drives in the energy storage link assembly moves up, be rotated further handle 7, the bar 21 of energy storage link assembly continues to move up, when handle 7 is moved upwards up to support 22 lower ends and protrudes the position can't contact position the time in clockwise direction bar 21 lower ends that turn to the energy storage link assembly under external force, moving contact 12 is followed around axle 13 clockwise direction quick rotation under tripping 10 and extension spring 6 act on, reach the purpose with fixed contact 18 quick-makes, outside the little groove the when position slides to release in the little groove on base 1 wall of bar 20 dendritic projections this moment when beginning to move.When circuit breaker extreme overload occurs at work, bimetal leaf 19 on the run-on tab 16 is crooked to the right, bimetal leaf 19 is by dropout pull bar 15 pulling snap closes 14, snap close 14 and tripping 10 releases, plane motion takes place around axle 13 in moving contact 12 under extension spring 6 tension, moving contact 12 separates rapidly with fixed contact 18.The electric arc that produces when moving contact 12 and fixed contact 18 closures or disconnection enters arc-extinguish chamber 3 through run-on tab 16 guiding and extinguishes.Regulate the requirement that adjustment screw 17 reaches circuit breaker relevant action characteristic in addition.After snap close 14 releases, handle 7 is untied the active force of handle 7 lower ends to bar 20 in the action of reset spring turning down, and bar 20 dendritic projections are got back to initial position.On the other hand, when tripping 10 with after snap close 14 contacts, snap close 14 is in the process that axle 13 clockwise directions turn an angle, the active force that is stuck in the 23 pairs of snap closes 14 of torsion spring on the base 1 of moving contact 12 lower ends is by power F
1Be reduced to F
2, correspondingly the torque of 23 pairs of snap closes 14 of torsion spring has been played in beginning during make position also from large to small, prevents tripping 10 and the snap close 14 less double action of tripping force when slide fastener and circuit breaker disjunction each other.
Claims (4)
1. energy storage type high breaking miniature circuit breaker, comprise the base (1) that handle (7) are housed, base (1) is provided with binding post (2) and arc-extinguish chamber (3), arc-extinguish chamber (3) one sides are provided with run-on tab (16), handle (7) is connected with tripping (10) by U-shaped connecting rod (8), tripping (10) is enclosed within on the fulcrum of moving contact rack (22), one side of moving contact (12) is provided with the coil (4) of band fixed contact (18), it is characterized in that: between handle (7) and moving contact rack (22), be provided with energy storage link assembly (9), energy storage link assembly (9) comprises two interconnective bars (20,21), wherein a bar (20) is provided with dendritic projection, dendritic projection places in the groove of base wall, and another root bar (21) is close to outstanding position, moving contact rack (22) lower end; Moving contact (12) go up to connect an extension spring (6), and the other end of extension spring (6) is connected with fixed axis 5 on the base.
2. energy storage type high breaking miniature circuit breaker as claimed in claim 1 is characterized in that: moving contact (12) is enclosed within on the fixed axis (13), also is with a snap close (14) on this fixed axis (13), and snap close (14) is connected with torsion spring on being stuck in base.
3. energy storage type high breaking miniature circuit breaker as claimed in claim 1 or 2 is characterized in that: the opening of arc-extinguish chamber (3) assembles by several arc extinguishing grid pieces are interlaced with each other.
4. energy storage type high breaking miniature circuit breaker as claimed in claim 1 or 2 is characterized in that: run-on tab (16) is provided with bimetal leaf (19), and bimetal leaf (19) connects dropout pull bar (15), and dropout pull bar (15) is connected with snap close (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201518475U CN201060819Y (en) | 2007-06-13 | 2007-06-13 | Energy accumulation type high breaking small-sized breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201518475U CN201060819Y (en) | 2007-06-13 | 2007-06-13 | Energy accumulation type high breaking small-sized breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201060819Y true CN201060819Y (en) | 2008-05-14 |
Family
ID=39409308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201518475U Expired - Lifetime CN201060819Y (en) | 2007-06-13 | 2007-06-13 | Energy accumulation type high breaking small-sized breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201060819Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157313A (en) * | 2011-05-16 | 2011-08-17 | 法泰电器（江苏）股份有限公司 | Arc extinguishing device of circuit breaker |
| CN102496531A (en) * | 2011-12-29 | 2012-06-13 | 无锡新宏泰电器科技股份有限公司 | Safety protection device used for plug-in type pedestal of breaker |
| CN103700548A (en) * | 2013-12-30 | 2014-04-02 | 温州奥来电器有限公司 | Inserted energy-storing high-breaking small breaker |
| CN104201074A (en) * | 2014-09-16 | 2014-12-10 | 长城电器集团有限公司 | Energy-saving miniature circuit breaker |
| CN104299859A (en) * | 2014-09-29 | 2015-01-21 | 江苏普华力拓电器股份有限公司 | Circuit breaker with indicator |
| CN106206194A (en) * | 2016-09-23 | 2016-12-07 | 徐州新电高科电气有限公司 | A kind of micro-disconnected divide-shut brake system |
| CN107086160A (en) * | 2016-02-16 | 2017-08-22 | 浙江正泰电器股份有限公司 | The fixed structure of the bimetallic element of breaker |
| CN103954919B (en) * | 2014-04-28 | 2018-04-27 | 温州大学 | The measuring device of miniature circuit breaker arc-chutes transient magnetic field |
| CN108054064A (en) * | 2018-01-29 | 2018-05-18 | 温州市正松电气有限公司 | A kind of miniature circuit breaker |
| CN108269718A (en) * | 2018-01-17 | 2018-07-10 | 安徽中骄智能科技有限公司 | A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving |
-
2007
- 2007-06-13 CN CNU2007201518475U patent/CN201060819Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157313A (en) * | 2011-05-16 | 2011-08-17 | 法泰电器（江苏）股份有限公司 | Arc extinguishing device of circuit breaker |
| CN102496531A (en) * | 2011-12-29 | 2012-06-13 | 无锡新宏泰电器科技股份有限公司 | Safety protection device used for plug-in type pedestal of breaker |
| CN102496531B (en) * | 2011-12-29 | 2015-10-28 | 无锡新宏泰电器科技股份有限公司 | For the safety device of plug-in type pedestal of breaker |
| CN103700548A (en) * | 2013-12-30 | 2014-04-02 | 温州奥来电器有限公司 | Inserted energy-storing high-breaking small breaker |
| CN103954919B (en) * | 2014-04-28 | 2018-04-27 | 温州大学 | The measuring device of miniature circuit breaker arc-chutes transient magnetic field |
| CN104201074A (en) * | 2014-09-16 | 2014-12-10 | 长城电器集团有限公司 | Energy-saving miniature circuit breaker |
| CN104299859A (en) * | 2014-09-29 | 2015-01-21 | 江苏普华力拓电器股份有限公司 | Circuit breaker with indicator |
| CN107086160A (en) * | 2016-02-16 | 2017-08-22 | 浙江正泰电器股份有限公司 | The fixed structure of the bimetallic element of breaker |
| CN106206194A (en) * | 2016-09-23 | 2016-12-07 | 徐州新电高科电气有限公司 | A kind of micro-disconnected divide-shut brake system |
| CN106206194B (en) * | 2016-09-23 | 2018-02-16 | 徐州新电高科电气有限公司 | A kind of micro- disconnected division brake system |
| CN108269718A (en) * | 2018-01-17 | 2018-07-10 | 安徽中骄智能科技有限公司 | A kind of electrical contact separation and arc extinguishing structure device based on heat transfer driving |
| CN108054064A (en) * | 2018-01-29 | 2018-05-18 | 温州市正松电气有限公司 | A kind of miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080514 |